128271385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{20639}}^1$

素因数の和:20768

約数の個数: 16

約数和(自身を含む): 169413120

約数和(自身を除く): 41141735

約数列:

[1, 5, 11, 55, 113, 565, 1243, 6215, 20639, 103195, 227029, 1135145, 2332207, 11661035, 25654277, 128271385]

約数ペア:

[(1, 128271385), (5, 25654277), (11, 11661035), (55, 2332207), (113, 1135145), (565, 227029), (1243, 103195), (6215, 20639)]