90107915

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1427}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 110321568

約数和(自身を除く): 20213653

約数列:

[1, 5, 73, 173, 365, 865, 1427, 7135, 12629, 63145, 104171, 246871, 520855, 1234355, 18021583, 90107915]

約数ペア:

[(1, 90107915), (5, 18021583), (73, 1234355), (173, 520855), (365, 246871), (865, 104171), (1427, 63145), (7135, 12629)]