72870556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{150559}}^1$

素因数の和:150585

約数の個数: 18

約数和(自身を含む): 140171360

約数和(自身を除く): 67300804

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 150559, 301118, 602236, 1656149, 3312298, 6624596, 18217639, 36435278, 72870556]

約数ペア:

[(1, 72870556), (2, 36435278), (4, 18217639), (11, 6624596), (22, 3312298), (44, 1656149), (121, 602236), (242, 301118), (484, 150559)]