1225004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2531}}^1$

素因数の和:2557

約数の個数: 18

約数和(自身を含む): 2357292

約数和(自身を除く): 1132288

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2531, 5062, 10124, 27841, 55682, 111364, 306251, 612502, 1225004]

約数ペア:

[(1, 1225004), (2, 612502), (4, 306251), (11, 111364), (22, 55682), (44, 27841), (121, 10124), (242, 5062), (484, 2531)]