15913885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 21279240

約数和(自身を除く): 5365355

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 509, 845, 2405, 2545, 6253, 6617, 18833, 31265, 33085, 86021, 94165, 244829, 430105, 1224145, 3182777, 15913885]

約数ペア:

[(1, 15913885), (5, 3182777), (13, 1224145), (37, 430105), (65, 244829), (169, 94165), (185, 86021), (481, 33085), (509, 31265), (845, 18833), (2405, 6617), (2545, 6253)]