A063958 - cp's OEIS frontend

A063958 Sum of the non-unitary prime divisors of n: sum of those prime divisors for which the exponent in the prime factorization exceeds 1.

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

[0, 0, 0, 2, 0, 0, 0, 2, 3, 0, 0, 2, 0, 0, 0, 2, 0, 3, 0, 2, 0, 0, 0, 2, 5, 0, 3, 2, 0, 0, 0, 2, 0, 0, 0, 5, 0, 0, 0, 2, 0, 0, 0, 2, 3, 0, 0, 2, 7, 5, 0, 2, 0, 3, 0, 2, 0, 0, 0, 2, 0, 0, 3, 2, 0, 0, 0, 2, 0, 0, 0, 5, 0, 0, 5, 2, 0, 0, 0, 2, 3, 0, 0, 2, 0, 0, 0, 2, 0, 3, 0, 2, 0, 0, 0, 2, 0, 7, 3, 7, 0, 0, 0, 2, 0]

cp's OEIS Frontend

A063958 Sum of the non-unitary prime divisors of n: sum of those prime divisors for which the exponent in the prime factorization exceeds 1.

Table of values

List of values

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

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

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