1390985825

素因数分解:

$5^2\times {\mathrm{643}}^1\times {\mathrm{86531}}^1$

素因数の和:87184

約数の個数: 12

約数和(自身を含む): 1727524848

約数和(自身を除く): 336539023

約数列:

[1, 5, 25, 643, 3215, 16075, 86531, 432655, 2163275, 55639433, 278197165, 1390985825]

約数ペア:

[(1, 1390985825), (5, 278197165), (25, 55639433), (643, 2163275), (3215, 432655), (16075, 86531)]