A082903 - cp's OEIS frontend

A082903 Highest power of two that divides the sum of divisors of n.

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	4
7	8
8	1
9	1
10	2
11	4
12	4
13	2
14	8
15	8
16	1
17	2
18	1
19	4
20	2
21	32
22	4
23	8
24	4
25	1
26	2
27	8
28	8
29	2
30	8
31	32
32	1
33	16
34	2
35	16
36	1
37	2
38	4
39	8
40	2
41	2
42	32
43	4
44	4
45	2
46	8
47	16
48	4
49	1
50	1
51	8
52	2
53	2
54	8
55	8
56	8
57	16
58	2
59	4
60	8
61	2
62	32
63	8
64	1
65	4
66	16
67	4
68	2
69	32
70	16
71	8
72	1
73	2
74	2
75	4
76	4
77	32
78	8
79	16
80	2
81	1
82	2
83	4
84	32
85	4
86	4
87	8
88	4
89	2
90	2
91	16
92	8
93	128
94	16
95	8
96	4
97	2

[1, 1, 4, 1, 2, 4, 8, 1, 1, 2, 4, 4, 2, 8, 8, 1, 2, 1, 4, 2, 32, 4, 8, 4, 1, 2, 8, 8, 2, 8, 32, 1, 16, 2, 16, 1, 2, 4, 8, 2, 2, 32, 4, 4, 2, 8, 16, 4, 1, 1, 8, 2, 2, 8, 8, 8, 16, 2, 4, 8, 2, 32, 8, 1, 4, 16, 4, 2, 32, 16, 8, 1, 2, 2, 4, 4, 32, 8, 16, 2, 1, 2, 4, 32, 4, 4, 8, 4, 2, 2, 16, 8, 128, 16, 8, 4, 2]

cp's OEIS Frontend

A082903 Highest power of two that divides the sum of divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	4
7	8
8	1
9	1
10	2
11	4
12	4
13	2
14	8
15	8
16	1
17	2
18	1
19	4
20	2
21	32
22	4
23	8
24	4
25	1
26	2
27	8
28	8
29	2
30	8
31	32
32	1
33	16
34	2
35	16
36	1
37	2
38	4
39	8
40	2
41	2
42	32
43	4
44	4
45	2
46	8
47	16
48	4
49	1
50	1
51	8
52	2
53	2
54	8
55	8
56	8
57	16
58	2
59	4
60	8
61	2
62	32
63	8
64	1
65	4
66	16
67	4
68	2
69	32
70	16
71	8
72	1
73	2
74	2
75	4
76	4
77	32
78	8
79	16
80	2
81	1
82	2
83	4
84	32
85	4
86	4
87	8
88	4
89	2
90	2
91	16
92	8
93	128
94	16
95	8
96	4
97	2

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	4
7	8
8	1
9	1
10	2
11	4
12	4
13	2
14	8
15	8
16	1
17	2
18	1
19	4
20	2
21	32
22	4
23	8
24	4
25	1
26	2
27	8
28	8
29	2
30	8
31	32
32	1
33	16
34	2
35	16
36	1
37	2
38	4
39	8
40	2
41	2
42	32
43	4
44	4
45	2
46	8
47	16
48	4
49	1
50	1
51	8
52	2
53	2
54	8
55	8
56	8
57	16
58	2
59	4
60	8
61	2
62	32
63	8
64	1
65	4
66	16
67	4
68	2
69	32
70	16
71	8
72	1
73	2
74	2
75	4
76	4
77	32
78	8
79	16
80	2
81	1
82	2
83	4
84	32
85	4
86	4
87	8
88	4
89	2
90	2
91	16
92	8
93	128
94	16
95	8
96	4
97	2

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	4
7	8
8	1
9	1
10	2
11	4
12	4
13	2
14	8
15	8
16	1
17	2
18	1
19	4
20	2
21	32
22	4
23	8
24	4
25	1
26	2
27	8
28	8
29	2
30	8
31	32
32	1
33	16
34	2
35	16
36	1
37	2
38	4
39	8
40	2
41	2
42	32
43	4
44	4
45	2
46	8
47	16
48	4
49	1
50	1
51	8
52	2
53	2
54	8
55	8
56	8
57	16
58	2
59	4
60	8
61	2
62	32
63	8
64	1
65	4
66	16
67	4
68	2
69	32
70	16
71	8
72	1
73	2
74	2
75	4
76	4
77	32
78	8
79	16
80	2
81	1
82	2
83	4
84	32
85	4
86	4
87	8
88	4
89	2
90	2
91	16
92	8
93	128
94	16
95	8
96	4
97	2