2220757

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 2801664

約数和(自身を除く): 580907

約数列:

[1, 7, 11, 77, 151, 191, 1057, 1337, 1661, 2101, 11627, 14707, 28841, 201887, 317251, 2220757]

約数ペア:

[(1, 2220757), (7, 317251), (11, 201887), (77, 28841), (151, 14707), (191, 11627), (1057, 2101), (1337, 1661)]