221384666512

素因数分解:

$2^4\times {\mathrm{175277}}^1\times {\mathrm{78941}}^1$

素因数の和:254226

約数の個数: 20

約数和(自身を含む): 428940672156

約数和(自身を除く): 207556005644

約数列:

[1, 2, 4, 8, 16, 78941, 157882, 175277, 315764, 350554, 631528, 701108, 1263056, 1402216, 2804432, 13836541657, 27673083314, 55346166628, 110692333256, 221384666512]

約数ペア:

[(1, 221384666512), (2, 110692333256), (4, 55346166628), (8, 27673083314), (16, 13836541657), (78941, 2804432), (157882, 1402216), (175277, 1263056), (315764, 701108), (350554, 631528)]