321304879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{20611}}^1$

素因数の和:20766

約数の個数: 16

約数和(自身を含む): 391792896

約数和(自身を除く): 70488017

約数列:

[1, 7, 17, 119, 131, 917, 2227, 15589, 20611, 144277, 350387, 2452709, 2700041, 18900287, 45900697, 321304879]

約数ペア:

[(1, 321304879), (7, 45900697), (17, 18900287), (119, 2700041), (131, 2452709), (917, 350387), (2227, 144277), (15589, 20611)]