81187268

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{472019}}^1$

素因数の和:472066

約数の個数: 12

約数和(自身を含む): 145382160

約数和(自身を除く): 64194892

約数列:

[1, 2, 4, 43, 86, 172, 472019, 944038, 1888076, 20296817, 40593634, 81187268]

約数ペア:

[(1, 81187268), (2, 40593634), (4, 20296817), (43, 1888076), (86, 944038), (172, 472019)]