290690179

素因数分解:

${\mathrm{13}}^1\times {\mathrm{131}}^2\times {\mathrm{1303}}^1$

素因数の和:1578

約数の個数: 12

約数和(自身を含む): 315701008

約数和(自身を除く): 25010829

約数列:

[1, 13, 131, 1303, 1703, 16939, 17161, 170693, 223093, 2219009, 22360783, 290690179]

約数ペア:

[(1, 290690179), (13, 22360783), (131, 2219009), (1303, 223093), (1703, 170693), (16939, 17161)]