86587991

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{399023}}^1$

素因数の和:399061

約数の個数: 8

約数和(自身を含む): 102150144

約数和(自身を除く): 15562153

約数列:

[1, 7, 31, 217, 399023, 2793161, 12369713, 86587991]

約数ペア:

[(1, 86587991), (7, 12369713), (31, 2793161), (217, 399023)]