A329039 - cp's OEIS frontend

A329039 If n = Product p_i^e_i, a(n) = n * Sum ((e_i - 1)/p_i).

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	8
9	3
10	0
11	0
12	6
13	0
14	0
15	0
16	24
17	0
18	6
19	0
20	10
21	0
22	0
23	0
24	24
25	5
26	0
27	18
28	14
29	0
30	0
31	0
32	64
33	0
34	0
35	0
36	30
37	0
38	0
39	0
40	40
41	0
42	0
43	0
44	22
45	15
46	0
47	0
48	72
49	7
50	10
51	0
52	26
53	0
54	36
55	0
56	56
57	0
58	0
59	0
60	30
61	0
62	0
63	21
64	160
65	0
66	0
67	0
68	34
69	0
70	0
71	0
72	96
73	0
74	0
75	15
76	38
77	0
78	0
79	0
80	120
81	81
82	0
83	0
84	42
85	0
86	0
87	0
88	88
89	0
90	30
91	0
92	46
93	0
94	0
95	0
96	192
97	0
98	14
99	33
100	70
101	0
102	0
103	0
104	104
105	0

[0, 0, 0, 2, 0, 0, 0, 8, 3, 0, 0, 6, 0, 0, 0, 24, 0, 6, 0, 10, 0, 0, 0, 24, 5, 0, 18, 14, 0, 0, 0, 64, 0, 0, 0, 30, 0, 0, 0, 40, 0, 0, 0, 22, 15, 0, 0, 72, 7, 10, 0, 26, 0, 36, 0, 56, 0, 0, 0, 30, 0, 0, 21, 160, 0, 0, 0, 34, 0, 0, 0, 96, 0, 0, 15, 38, 0, 0, 0, 120, 81, 0, 0, 42, 0, 0, 0, 88, 0, 30, 0, 46, 0, 0, 0, 192, 0, 14, 33, 70, 0, 0, 0, 104, 0]

cp's OEIS Frontend

A329039 If n = Product p_i^e_i, a(n) = n * Sum ((e_i - 1)/p_i).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	8
9	3
10	0
11	0
12	6
13	0
14	0
15	0
16	24
17	0
18	6
19	0
20	10
21	0
22	0
23	0
24	24
25	5
26	0
27	18
28	14
29	0
30	0
31	0
32	64
33	0
34	0
35	0
36	30
37	0
38	0
39	0
40	40
41	0
42	0
43	0
44	22
45	15
46	0
47	0
48	72
49	7
50	10
51	0
52	26
53	0
54	36
55	0
56	56
57	0
58	0
59	0
60	30
61	0
62	0
63	21
64	160
65	0
66	0
67	0
68	34
69	0
70	0
71	0
72	96
73	0
74	0
75	15
76	38
77	0
78	0
79	0
80	120
81	81
82	0
83	0
84	42
85	0
86	0
87	0
88	88
89	0
90	30
91	0
92	46
93	0
94	0
95	0
96	192
97	0
98	14
99	33
100	70
101	0
102	0
103	0
104	104
105	0

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	8
9	3
10	0
11	0
12	6
13	0
14	0
15	0
16	24
17	0
18	6
19	0
20	10
21	0
22	0
23	0
24	24
25	5
26	0
27	18
28	14
29	0
30	0
31	0
32	64
33	0
34	0
35	0
36	30
37	0
38	0
39	0
40	40
41	0
42	0
43	0
44	22
45	15
46	0
47	0
48	72
49	7
50	10
51	0
52	26
53	0
54	36
55	0
56	56
57	0
58	0
59	0
60	30
61	0
62	0
63	21
64	160
65	0
66	0
67	0
68	34
69	0
70	0
71	0
72	96
73	0
74	0
75	15
76	38
77	0
78	0
79	0
80	120
81	81
82	0
83	0
84	42
85	0
86	0
87	0
88	88
89	0
90	30
91	0
92	46
93	0
94	0
95	0
96	192
97	0
98	14
99	33
100	70
101	0
102	0
103	0
104	104
105	0

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	0
7	0
8	8
9	3
10	0
11	0
12	6
13	0
14	0
15	0
16	24
17	0
18	6
19	0
20	10
21	0
22	0
23	0
24	24
25	5
26	0
27	18
28	14
29	0
30	0
31	0
32	64
33	0
34	0
35	0
36	30
37	0
38	0
39	0
40	40
41	0
42	0
43	0
44	22
45	15
46	0
47	0
48	72
49	7
50	10
51	0
52	26
53	0
54	36
55	0
56	56
57	0
58	0
59	0
60	30
61	0
62	0
63	21
64	160
65	0
66	0
67	0
68	34
69	0
70	0
71	0
72	96
73	0
74	0
75	15
76	38
77	0
78	0
79	0
80	120
81	81
82	0
83	0
84	42
85	0
86	0
87	0
88	88
89	0
90	30
91	0
92	46
93	0
94	0
95	0
96	192
97	0
98	14
99	33
100	70
101	0
102	0
103	0
104	104
105	0