A238502 - cp's OEIS frontend

A238502 Let k = A239161(n); then a(n) = (sum of divisors of k) /(sum of divisors d of k with d <= sqrt(k)).

n	a(n)
1	1
2	3
3	4
4	6
5	4
6	8
7	5
8	6
9	12
10	14
11	8
12	6
13	18
14	20
15	6
16	8
17	12
18	24
19	6
20	14
21	10
22	8
23	30
24	32
25	9
26	12
27	18
28	8
29	38
30	20
31	14
32	42
33	8
34	44
35	12
36	24
37	48
38	18
39	14
40	54
41	10
42	12
43	20
44	30
45	60
46	8
47	62
48	32
49	14
50	12
51	68
52	18
53	24
54	72
55	74
56	38
57	20
58	12
59	14
60	80
61	42
62	84
63	18
64	44
65	30
66	12
67	90
68	9
69	14
70	24

[1, 3, 4, 6, 4, 8, 5, 6, 12, 14, 8, 6, 18, 20, 6, 8, 12, 24, 6, 14, 10, 8, 30, 32, 9, 12, 18, 8, 38, 20, 14, 42, 8, 44, 12, 24, 48, 18, 14, 54, 10, 12, 20, 30, 60, 8, 62, 32, 14, 12, 68, 18, 24, 72, 74, 38, 20, 12, 14, 80, 42, 84, 18, 44, 30, 12, 90, 9, 14, 24]

cp's OEIS Frontend

A238502 Let k = A239161(n); then a(n) = (sum of divisors of k) /(sum of divisors d of k with d <= sqrt(k)).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	6
5	4
6	8
7	5
8	6
9	12
10	14
11	8
12	6
13	18
14	20
15	6
16	8
17	12
18	24
19	6
20	14
21	10
22	8
23	30
24	32
25	9
26	12
27	18
28	8
29	38
30	20
31	14
32	42
33	8
34	44
35	12
36	24
37	48
38	18
39	14
40	54
41	10
42	12
43	20
44	30
45	60
46	8
47	62
48	32
49	14
50	12
51	68
52	18
53	24
54	72
55	74
56	38
57	20
58	12
59	14
60	80
61	42
62	84
63	18
64	44
65	30
66	12
67	90
68	9
69	14
70	24

n	a(n)
1	1
2	3
3	4
4	6
5	4
6	8
7	5
8	6
9	12
10	14
11	8
12	6
13	18
14	20
15	6
16	8
17	12
18	24
19	6
20	14
21	10
22	8
23	30
24	32
25	9
26	12
27	18
28	8
29	38
30	20
31	14
32	42
33	8
34	44
35	12
36	24
37	48
38	18
39	14
40	54
41	10
42	12
43	20
44	30
45	60
46	8
47	62
48	32
49	14
50	12
51	68
52	18
53	24
54	72
55	74
56	38
57	20
58	12
59	14
60	80
61	42
62	84
63	18
64	44
65	30
66	12
67	90
68	9
69	14
70	24

n	a(n)
1	1
2	3
3	4
4	6
5	4
6	8
7	5
8	6
9	12
10	14
11	8
12	6
13	18
14	20
15	6
16	8
17	12
18	24
19	6
20	14
21	10
22	8
23	30
24	32
25	9
26	12
27	18
28	8
29	38
30	20
31	14
32	42
33	8
34	44
35	12
36	24
37	48
38	18
39	14
40	54
41	10
42	12
43	20
44	30
45	60
46	8
47	62
48	32
49	14
50	12
51	68
52	18
53	24
54	72
55	74
56	38
57	20
58	12
59	14
60	80
61	42
62	84
63	18
64	44
65	30
66	12
67	90
68	9
69	14
70	24