66221533

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 76912000

約数和(自身を除く): 10690467

約数列:

[1, 7, 109, 229, 379, 763, 1603, 2653, 24961, 41311, 86791, 174727, 289177, 607537, 9460219, 66221533]

約数ペア:

[(1, 66221533), (7, 9460219), (109, 607537), (229, 289177), (379, 174727), (763, 86791), (1603, 41311), (2653, 24961)]