A132747 - cp's OEIS frontend

A132747 a(n) = number of non-isolated divisors of n.

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

[0, 2, 0, 2, 0, 3, 0, 2, 0, 2, 0, 4, 0, 2, 0, 2, 0, 3, 0, 4, 0, 2, 0, 4, 0, 2, 0, 2, 0, 5, 0, 2, 0, 2, 0, 4, 0, 2, 0, 4, 0, 5, 0, 2, 0, 2, 0, 4, 0, 2, 0, 2, 0, 3, 0, 4, 0, 2, 0, 6, 0, 2, 0, 2, 0, 3, 0, 2, 0, 2, 0, 6, 0, 2, 0, 2, 0, 3, 0, 4, 0, 2, 0, 6, 0, 2, 0, 2, 0, 7, 0, 2, 0, 2, 0, 4, 0, 2, 0, 4, 0, 3, 0, 2, 0]

cp's OEIS Frontend

A132747 a(n) = number of non-isolated divisors of n.

Table of values

List of values

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

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

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