20166431999

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{85571}}^1$

素因数の和:85966

約数の個数: 16

約数和(自身を含む): 23313920256

約数和(自身を除く): 3147488257

約数列:

[1, 7, 131, 257, 917, 1799, 33667, 85571, 235669, 598997, 11209801, 21991747, 78468607, 153942229, 2880918857, 20166431999]

約数ペア:

[(1, 20166431999), (7, 2880918857), (131, 153942229), (257, 78468607), (917, 21991747), (1799, 11209801), (33667, 598997), (85571, 235669)]