388705915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{2659}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 508198320

約数和(自身を除く): 119492405

約数列:

[1, 5, 13, 65, 169, 173, 845, 865, 2249, 2659, 11245, 13295, 29237, 34567, 146185, 172835, 449371, 460007, 2246855, 2300035, 5980091, 29900455, 77741183, 388705915]

約数ペア:

[(1, 388705915), (5, 77741183), (13, 29900455), (65, 5980091), (169, 2300035), (173, 2246855), (845, 460007), (865, 449371), (2249, 172835), (2659, 146185), (11245, 34567), (13295, 29237)]