289076125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{177893}}^1$

素因数の和:177921

約数の個数: 16

約数和(自身を含む): 388520496

約数和(自身を除く): 99444371

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 177893, 889465, 2312609, 4447325, 11563045, 22236625, 57815225, 289076125]

約数ペア:

[(1, 289076125), (5, 57815225), (13, 22236625), (25, 11563045), (65, 4447325), (125, 2312609), (325, 889465), (1625, 177893)]