649018620434

素因数分解:

$2^1\times {\mathrm{131}}^2\times {\mathrm{18909697}}^1$

素因数の和:18909961

約数の個数: 12

約数和(自身を含む): 981016222542

約数和(自身を除く): 331997602108

約数列:

[1, 2, 131, 262, 17161, 34322, 18909697, 37819394, 2477170307, 4954340614, 324509310217, 649018620434]

約数ペア:

[(1, 649018620434), (2, 324509310217), (131, 4954340614), (262, 2477170307), (17161, 37819394), (34322, 18909697)]