A367009 - cp's OEIS frontend

A367009 Number of divisors of n*2^n + 1.

n	a(n)
0	1
1	2
2	3
3	3
4	4
5	4
6	8
7	8
8	4
9	4
10	12
11	4
12	8
13	6
14	8
15	8
16	4
17	12
18	16
19	16
20	16
21	4
22	16
23	16
24	16
25	16
26	24
27	16
28	6
29	8
30	48
31	48
32	8
33	4
34	32
35	4
36	12
37	8
38	12
39	8
40	8
41	16
42	16
43	32
44	16
45	16
46	32
47	32
48	16
49	10
50	64
51	8
52	64
53	8
54	32
55	16
56	12
57	32
58	32
59	16
60	16
61	128
62	8
63	8
64	96
65	32
66	256
67	24
68	16
69	32
70	32
71	48

[1, 2, 3, 3, 4, 4, 8, 8, 4, 4, 12, 4, 8, 6, 8, 8, 4, 12, 16, 16, 16, 4, 16, 16, 16, 16, 24, 16, 6, 8, 48, 48, 8, 4, 32, 4, 12, 8, 12, 8, 8, 16, 16, 32, 16, 16, 32, 32, 16, 10, 64, 8, 64, 8, 32, 16, 12, 32, 32, 16, 16, 128, 8, 8, 96, 32, 256, 24, 16, 32, 32, 48]

cp's OEIS Frontend

A367009 Number of divisors of n*2^n + 1.

Table of values

List of values

n	a(n)
0	1
1	2
2	3
3	3
4	4
5	4
6	8
7	8
8	4
9	4
10	12
11	4
12	8
13	6
14	8
15	8
16	4
17	12
18	16
19	16
20	16
21	4
22	16
23	16
24	16
25	16
26	24
27	16
28	6
29	8
30	48
31	48
32	8
33	4
34	32
35	4
36	12
37	8
38	12
39	8
40	8
41	16
42	16
43	32
44	16
45	16
46	32
47	32
48	16
49	10
50	64
51	8
52	64
53	8
54	32
55	16
56	12
57	32
58	32
59	16
60	16
61	128
62	8
63	8
64	96
65	32
66	256
67	24
68	16
69	32
70	32
71	48

n	a(n)
0	1
1	2
2	3
3	3
4	4
5	4
6	8
7	8
8	4
9	4
10	12
11	4
12	8
13	6
14	8
15	8
16	4
17	12
18	16
19	16
20	16
21	4
22	16
23	16
24	16
25	16
26	24
27	16
28	6
29	8
30	48
31	48
32	8
33	4
34	32
35	4
36	12
37	8
38	12
39	8
40	8
41	16
42	16
43	32
44	16
45	16
46	32
47	32
48	16
49	10
50	64
51	8
52	64
53	8
54	32
55	16
56	12
57	32
58	32
59	16
60	16
61	128
62	8
63	8
64	96
65	32
66	256
67	24
68	16
69	32
70	32
71	48

n	a(n)
0	1
1	2
2	3
3	3
4	4
5	4
6	8
7	8
8	4
9	4
10	12
11	4
12	8
13	6
14	8
15	8
16	4
17	12
18	16
19	16
20	16
21	4
22	16
23	16
24	16
25	16
26	24
27	16
28	6
29	8
30	48
31	48
32	8
33	4
34	32
35	4
36	12
37	8
38	12
39	8
40	8
41	16
42	16
43	32
44	16
45	16
46	32
47	32
48	16
49	10
50	64
51	8
52	64
53	8
54	32
55	16
56	12
57	32
58	32
59	16
60	16
61	128
62	8
63	8
64	96
65	32
66	256
67	24
68	16
69	32
70	32
71	48