128539604

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{82609}}^1$

素因数の和:83002

約数の個数: 12

約数和(自身を含む): 225525300

約数和(自身を除く): 96985696

約数列:

[1, 2, 4, 389, 778, 1556, 82609, 165218, 330436, 32134901, 64269802, 128539604]

約数ペア:

[(1, 128539604), (2, 64269802), (4, 32134901), (389, 330436), (778, 165218), (1556, 82609)]