15925715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 21187008

約数和(自身を除く): 5261293

約数列:

[1, 5, 13, 47, 65, 169, 235, 401, 611, 845, 2005, 3055, 5213, 7943, 18847, 26065, 39715, 67769, 94235, 245011, 338845, 1225055, 3185143, 15925715]

約数ペア:

[(1, 15925715), (5, 3185143), (13, 1225055), (47, 338845), (65, 245011), (169, 94235), (235, 67769), (401, 39715), (611, 26065), (845, 18847), (2005, 7943), (3055, 5213)]