99748025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{23609}}^1$

素因数の和:23645

約数の個数: 18

約数和(自身を含む): 133939530

約数和(自身を除く): 34191505

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 23609, 118045, 306917, 590225, 1534585, 3989921, 7672925, 19949605, 99748025]

約数ペア:

[(1, 99748025), (5, 19949605), (13, 7672925), (25, 3989921), (65, 1534585), (169, 590225), (325, 306917), (845, 118045), (4225, 23609)]