320440978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1120423}}^1$

素因数の和:1120449

約数の個数: 16

約数和(自身を含む): 564693696

約数和(自身を除く): 244252718

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 1120423, 2240846, 12324653, 14565499, 24649306, 29130998, 160220489, 320440978]

約数ペア:

[(1, 320440978), (2, 160220489), (11, 29130998), (13, 24649306), (22, 14565499), (26, 12324653), (143, 2240846), (286, 1120423)]