388779716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{19727}}^1$

素因数の和:20123

約数の個数: 24

約数和(自身を含む): 734670720

約数和(自身を除く): 345891004

約数列:

[1, 2, 4, 13, 26, 52, 379, 758, 1516, 4927, 9854, 19708, 19727, 39454, 78908, 256451, 512902, 1025804, 7476533, 14953066, 29906132, 97194929, 194389858, 388779716]

約数ペア:

[(1, 388779716), (2, 194389858), (4, 97194929), (13, 29906132), (26, 14953066), (52, 7476533), (379, 1025804), (758, 512902), (1516, 256451), (4927, 78908), (9854, 39454), (19708, 19727)]