A380584 - cp's OEIS frontend

A380584 Number of positive integers <= n that have the same sum of odd divisors as n.

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

[1, 2, 1, 3, 1, 2, 1, 4, 1, 2, 1, 3, 1, 2, 1, 5, 1, 2, 1, 3, 1, 2, 2, 4, 1, 2, 1, 3, 1, 3, 2, 6, 1, 2, 2, 3, 1, 2, 1, 4, 1, 3, 1, 3, 1, 4, 3, 5, 1, 2, 1, 3, 1, 2, 2, 4, 1, 2, 1, 5, 1, 4, 1, 7, 1, 4, 1, 3, 1, 5, 3, 4, 1, 2, 1, 3, 2, 2, 2, 5, 1, 2, 2, 5, 1, 2, 1, 4, 1, 2, 1, 6, 1, 6, 2, 6, 1, 2, 1, 3]

cp's OEIS Frontend

A380584 Number of positive integers <= n that have the same sum of odd divisors as n.

Table of values

List of values

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

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

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