399170097928

素因数分解:

$2^3\times 7^1\times {\mathrm{7128037463}}^1$

素因数の和:7128037476

約数の個数: 16

約数和(自身を含む): 855364495680

約数和(自身を除く): 456194397752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7128037463, 14256074926, 28512149852, 49896262241, 57024299704, 99792524482, 199585048964, 399170097928]

約数ペア:

[(1, 399170097928), (2, 199585048964), (4, 99792524482), (7, 57024299704), (8, 49896262241), (14, 28512149852), (28, 14256074926), (56, 7128037463)]