72221816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{291217}}^1$

素因数の和:291254

約数の個数: 16

約数和(自身を含む): 139784640

約数和(自身を除く): 67562824

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 291217, 582434, 1164868, 2329736, 9027727, 18055454, 36110908, 72221816]

約数ペア:

[(1, 72221816), (2, 36110908), (4, 18055454), (8, 9027727), (31, 2329736), (62, 1164868), (124, 582434), (248, 291217)]