13128689

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 15375360

約数和(自身を除く): 2246671

約数列:

[1, 7, 103, 131, 139, 721, 917, 973, 13493, 14317, 18209, 94451, 100219, 127463, 1875527, 13128689]

約数ペア:

[(1, 13128689), (7, 1875527), (103, 127463), (131, 100219), (139, 94451), (721, 18209), (917, 14317), (973, 13493)]