90689005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{27031}}^1$

素因数の和:27108

約数の個数: 16

約数和(自身を含む): 120670848

約数和(自身を除く): 29981843

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 27031, 135155, 297341, 1486705, 1648891, 8244455, 18137801, 90689005]

約数ペア:

[(1, 90689005), (5, 18137801), (11, 8244455), (55, 1648891), (61, 1486705), (305, 297341), (671, 135155), (3355, 27031)]