38485525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{9109}}^1$

素因数の和:9145

約数の個数: 18

約数和(自身を含む): 51681030

約数和(自身を除く): 13195505

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 9109, 45545, 118417, 227725, 592085, 1539421, 2960425, 7697105, 38485525]

約数ペア:

[(1, 38485525), (5, 7697105), (13, 2960425), (25, 1539421), (65, 592085), (169, 227725), (325, 118417), (845, 45545), (4225, 9109)]