81840296

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{538423}}^1$

素因数の和:538448

約数の個数: 16

約数和(自身を含む): 161527200

約数和(自身を除く): 79686904

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 538423, 1076846, 2153692, 4307384, 10230037, 20460074, 40920148, 81840296]

約数ペア:

[(1, 81840296), (2, 40920148), (4, 20460074), (8, 10230037), (19, 4307384), (38, 2153692), (76, 1076846), (152, 538423)]