13639604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{28181}}^1$

素因数の和:28207

約数の個数: 18

約数和(自身を含む): 26237442

約数和(自身を除く): 12597838

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 28181, 56362, 112724, 309991, 619982, 1239964, 3409901, 6819802, 13639604]

約数ペア:

[(1, 13639604), (2, 6819802), (4, 3409901), (11, 1239964), (22, 619982), (44, 309991), (121, 112724), (242, 56362), (484, 28181)]