86721830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{667091}}^1$

素因数の和:667111

約数の個数: 16

約数和(自身を含む): 168107184

約数和(自身を除く): 81385354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 667091, 1334182, 3335455, 6670910, 8672183, 17344366, 43360915, 86721830]

約数ペア:

[(1, 86721830), (2, 43360915), (5, 17344366), (10, 8672183), (13, 6670910), (26, 3335455), (65, 1334182), (130, 667091)]