87489005

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{133571}}^1$

素因数の和:133707

約数の個数: 8

約数和(自身を含む): 105789024

約数和(自身を除く): 18300019

約数列:

[1, 5, 131, 655, 133571, 667855, 17497801, 87489005]

約数ペア:

[(1, 87489005), (5, 17497801), (131, 667855), (655, 133571)]