123972410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{399911}}^1$

素因数の和:399949

約数の個数: 16

約数和(自身を含む): 230349312

約数和(自身を除く): 106376902

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 399911, 799822, 1999555, 3999110, 12397241, 24794482, 61986205, 123972410]

約数ペア:

[(1, 123972410), (2, 61986205), (5, 24794482), (10, 12397241), (31, 3999110), (62, 1999555), (155, 799822), (310, 399911)]