144997775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{34319}}^1$

素因数の和:34355

約数の個数: 18

約数和(自身を含む): 194697360

約数和(自身を除く): 49699585

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 34319, 171595, 446147, 857975, 2230735, 5799911, 11153675, 28999555, 144997775]

約数ペア:

[(1, 144997775), (5, 28999555), (13, 11153675), (25, 5799911), (65, 2230735), (169, 857975), (325, 446147), (845, 171595), (4225, 34319)]