90813404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{187631}}^1$

素因数の和:187657

約数の個数: 18

約数和(自身を含む): 174685392

約数和(自身を除く): 83871988

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 187631, 375262, 750524, 2063941, 4127882, 8255764, 22703351, 45406702, 90813404]

約数ペア:

[(1, 90813404), (2, 45406702), (4, 22703351), (11, 8255764), (22, 4127882), (44, 2063941), (121, 750524), (242, 375262), (484, 187631)]