7140155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 9427968

約数和(自身を除く): 2287813

約数列:

[1, 5, 11, 55, 131, 655, 991, 1441, 4955, 7205, 10901, 54505, 129821, 649105, 1428031, 7140155]

約数ペア:

[(1, 7140155), (5, 1428031), (11, 649105), (55, 129821), (131, 54505), (655, 10901), (991, 7205), (1441, 4955)]