A348399 - cp's OEIS frontend

A348399 a(n) = Sum_{d|n} sigma_[d](n), where sigma_[k](n) is the sum of the k-th powers of the divisors of n.

n	a(n)
1	1
2	8
3	32
4	301
5	3132
6	47764
7	823552
8	16847478
9	387440943
10	10009869956
11	285311670624
12	8918297605544
13	302875106592268
14	11112685154884700
15	437893920913552704
16	18447025557293175687
17	827240261886336764196
18	39346558271690970332766
19	1978419655660313589124000

[1, 8, 32, 301, 3132, 47764, 823552, 16847478, 387440943, 10009869956, 285311670624, 8918297605544, 302875106592268, 11112685154884700, 437893920913552704, 18447025557293175687, 827240261886336764196, 39346558271690970332766, 1978419655660313589124000]

cp's OEIS Frontend

A348399 a(n) = Sum_{d|n} sigma_[d](n), where sigma_[k](n) is the sum of the k-th powers of the divisors of n.

Table of values

List of values