90121843

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4273}}^1$

素因数の和:4434

約数の個数: 16

約数和(自身を含む): 108320256

約数和(自身を除く): 18198413

約数列:

[1, 7, 23, 131, 161, 917, 3013, 4273, 21091, 29911, 98279, 559763, 687953, 3918341, 12874549, 90121843]

約数ペア:

[(1, 90121843), (7, 12874549), (23, 3918341), (131, 687953), (161, 559763), (917, 98279), (3013, 29911), (4273, 21091)]