4127825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{977}}^1$

素因数の和:1013

約数の個数: 18

約数和(自身を含む): 5548194

約数和(自身を除く): 1420369

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 977, 4225, 4885, 12701, 24425, 63505, 165113, 317525, 825565, 4127825]

約数ペア:

[(1, 4127825), (5, 825565), (13, 317525), (25, 165113), (65, 63505), (169, 24425), (325, 12701), (845, 4885), (977, 4225)]