129856985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1307}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 161229312

約数和(自身を除く): 31372327

約数列:

[1, 5, 31, 155, 641, 1307, 3205, 6535, 19871, 40517, 99355, 202585, 837787, 4188935, 25971397, 129856985]

約数ペア:

[(1, 129856985), (5, 25971397), (31, 4188935), (155, 837787), (641, 202585), (1307, 99355), (3205, 40517), (6535, 19871)]