256457871358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{8894287}}^1$

素因数の和:8895411

約数の個数: 16

約数和(自身を含む): 414651706560

約数和(自身を除く): 158193835202

約数列:

[1, 2, 13, 26, 1109, 2218, 14417, 28834, 8894287, 17788574, 115625731, 231251462, 9863764283, 19727528566, 128228935679, 256457871358]

約数ペア:

[(1, 256457871358), (2, 128228935679), (13, 19727528566), (26, 9863764283), (1109, 231251462), (2218, 115625731), (14417, 17788574), (28834, 8894287)]