A319697 - cp's OEIS frontend

A319697 Sum of even squarefree divisors of n.

n	a(n)
1	0
2	2
3	0
4	2
5	0
6	8
7	0
8	2
9	0
10	12
11	0
12	8
13	0
14	16
15	0
16	2
17	0
18	8
19	0
20	12
21	0
22	24
23	0
24	8
25	0
26	28
27	0
28	16
29	0
30	48
31	0
32	2
33	0
34	36
35	0
36	8
37	0
38	40
39	0
40	12
41	0
42	64
43	0
44	24
45	0
46	48
47	0
48	8
49	0
50	12
51	0
52	28
53	0
54	8
55	0
56	16
57	0
58	60
59	0
60	48
61	0
62	64
63	0
64	2
65	0
66	96
67	0
68	36
69	0
70	96
71	0
72	8
73	0
74	76
75	0
76	40
77	0
78	112
79	0
80	12
81	0
82	84
83	0
84	64
85	0
86	88
87	0
88	24
89	0
90	48
91	0
92	48
93	0
94	96

[0, 2, 0, 2, 0, 8, 0, 2, 0, 12, 0, 8, 0, 16, 0, 2, 0, 8, 0, 12, 0, 24, 0, 8, 0, 28, 0, 16, 0, 48, 0, 2, 0, 36, 0, 8, 0, 40, 0, 12, 0, 64, 0, 24, 0, 48, 0, 8, 0, 12, 0, 28, 0, 8, 0, 16, 0, 60, 0, 48, 0, 64, 0, 2, 0, 96, 0, 36, 0, 96, 0, 8, 0, 76, 0, 40, 0, 112, 0, 12, 0, 84, 0, 64, 0, 88, 0, 24, 0, 48, 0, 48, 0, 96]

cp's OEIS Frontend

A319697 Sum of even squarefree divisors of n.

Table of values

List of values

n	a(n)
1	0
2	2
3	0
4	2
5	0
6	8
7	0
8	2
9	0
10	12
11	0
12	8
13	0
14	16
15	0
16	2
17	0
18	8
19	0
20	12
21	0
22	24
23	0
24	8
25	0
26	28
27	0
28	16
29	0
30	48
31	0
32	2
33	0
34	36
35	0
36	8
37	0
38	40
39	0
40	12
41	0
42	64
43	0
44	24
45	0
46	48
47	0
48	8
49	0
50	12
51	0
52	28
53	0
54	8
55	0
56	16
57	0
58	60
59	0
60	48
61	0
62	64
63	0
64	2
65	0
66	96
67	0
68	36
69	0
70	96
71	0
72	8
73	0
74	76
75	0
76	40
77	0
78	112
79	0
80	12
81	0
82	84
83	0
84	64
85	0
86	88
87	0
88	24
89	0
90	48
91	0
92	48
93	0
94	96

n	a(n)
1	0
2	2
3	0
4	2
5	0
6	8
7	0
8	2
9	0
10	12
11	0
12	8
13	0
14	16
15	0
16	2
17	0
18	8
19	0
20	12
21	0
22	24
23	0
24	8
25	0
26	28
27	0
28	16
29	0
30	48
31	0
32	2
33	0
34	36
35	0
36	8
37	0
38	40
39	0
40	12
41	0
42	64
43	0
44	24
45	0
46	48
47	0
48	8
49	0
50	12
51	0
52	28
53	0
54	8
55	0
56	16
57	0
58	60
59	0
60	48
61	0
62	64
63	0
64	2
65	0
66	96
67	0
68	36
69	0
70	96
71	0
72	8
73	0
74	76
75	0
76	40
77	0
78	112
79	0
80	12
81	0
82	84
83	0
84	64
85	0
86	88
87	0
88	24
89	0
90	48
91	0
92	48
93	0
94	96

n	a(n)
1	0
2	2
3	0
4	2
5	0
6	8
7	0
8	2
9	0
10	12
11	0
12	8
13	0
14	16
15	0
16	2
17	0
18	8
19	0
20	12
21	0
22	24
23	0
24	8
25	0
26	28
27	0
28	16
29	0
30	48
31	0
32	2
33	0
34	36
35	0
36	8
37	0
38	40
39	0
40	12
41	0
42	64
43	0
44	24
45	0
46	48
47	0
48	8
49	0
50	12
51	0
52	28
53	0
54	8
55	0
56	16
57	0
58	60
59	0
60	48
61	0
62	64
63	0
64	2
65	0
66	96
67	0
68	36
69	0
70	96
71	0
72	8
73	0
74	76
75	0
76	40
77	0
78	112
79	0
80	12
81	0
82	84
83	0
84	64
85	0
86	88
87	0
88	24
89	0
90	48
91	0
92	48
93	0
94	96