90404008

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{213217}}^1$

素因数の和:213276

約数の個数: 16

約数和(自身を含む): 172706580

約数和(自身を除く): 82302572

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 213217, 426434, 852868, 1705736, 11300501, 22601002, 45202004, 90404008]

約数ペア:

[(1, 90404008), (2, 45202004), (4, 22601002), (8, 11300501), (53, 1705736), (106, 852868), (212, 426434), (424, 213217)]