90287965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1873}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 112260096

約数和(自身を除く): 21972131

約数列:

[1, 5, 31, 155, 311, 1555, 1873, 9365, 9641, 48205, 58063, 290315, 582503, 2912515, 18057593, 90287965]

約数ペア:

[(1, 90287965), (5, 18057593), (31, 2912515), (155, 582503), (311, 290315), (1555, 58063), (1873, 48205), (9365, 9641)]