858005525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{2640017}}^1$

素因数の和:2640040

約数の個数: 12

約数和(自身を含む): 1145767812

約数和(自身を除く): 287762287

約数列:

[1, 5, 13, 25, 65, 325, 2640017, 13200085, 34320221, 66000425, 171601105, 858005525]

約数ペア:

[(1, 858005525), (5, 171601105), (13, 66000425), (25, 34320221), (65, 13200085), (325, 2640017)]