A348398 - cp's OEIS frontend

A348398 a(n) = Sum_{d|n} sigma_[n/d](d), where sigma_[k](n) is the sum of the k-th powers of the divisors of n.

n	a(n)
1	1
2	4
3	5
4	13
5	7
6	32
7	9
8	54
9	42
10	78
11	13
12	299
13	15
14	204
15	395
16	647
17	19
18	1626
19	21
20	2881
21	2565
22	2208
23	25
24	17070
25	3158
26	8406
27	20482
28	35607
29	31
30	116964
31	33
32	136104
33	178529
34	131418
35	94983
36	1112928
37	39
38	524712
39	1596579
40	2533908
41	43
42	7283718
43	45
44	8405995
45	16364934
46	8389212
47	49
48	78586033
49	823602
50	43423962

[1, 4, 5, 13, 7, 32, 9, 54, 42, 78, 13, 299, 15, 204, 395, 647, 19, 1626, 21, 2881, 2565, 2208, 25, 17070, 3158, 8406, 20482, 35607, 31, 116964, 33, 136104, 178529, 131418, 94983, 1112928, 39, 524712, 1596579, 2533908, 43, 7283718, 45, 8405995, 16364934, 8389212, 49, 78586033, 823602, 43423962]

cp's OEIS Frontend

A348398 a(n) = Sum_{d|n} sigma_[n/d](d), where sigma_[k](n) is the sum of the k-th powers of the divisors of n.

Table of values

List of values