13218535981

素因数分解:

$7^1\times {\mathrm{641}}^1\times {\mathrm{1583}}^1\times {\mathrm{1861}}^1$

素因数の和:4092

約数の個数: 16

約数和(自身を含む): 15148159488

約数和(自身を除く): 1929623507

約数列:

[1, 7, 641, 1583, 1861, 4487, 11081, 13027, 1014703, 1192901, 2945963, 7102921, 8350307, 20621741, 1888362283, 13218535981]

約数ペア:

[(1, 13218535981), (7, 1888362283), (641, 20621741), (1583, 8350307), (1861, 7102921), (4487, 2945963), (11081, 1192901), (13027, 1014703)]