90288779

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1303}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 108910080

約数和(自身を除く): 18621301

約数列:

[1, 7, 19, 133, 521, 1303, 3647, 9121, 9899, 24757, 69293, 173299, 678863, 4752041, 12898397, 90288779]

約数ペア:

[(1, 90288779), (7, 12898397), (19, 4752041), (133, 678863), (521, 173299), (1303, 69293), (3647, 24757), (9121, 9899)]