25220299

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 29000160

約数和(自身を除く): 3779861

約数列:

[1, 13, 17, 139, 221, 821, 1807, 2363, 10673, 13957, 30719, 114119, 181441, 1483547, 1940023, 25220299]

約数ペア:

[(1, 25220299), (13, 1940023), (17, 1483547), (139, 181441), (221, 114119), (821, 30719), (1807, 13957), (2363, 10673)]