201557444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{416441}}^1$

素因数の和:416467

約数の個数: 18

約数和(自身を含む): 387707502

約数和(自身を除く): 186150058

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 416441, 832882, 1665764, 4580851, 9161702, 18323404, 50389361, 100778722, 201557444]

約数ペア:

[(1, 201557444), (2, 100778722), (4, 50389361), (11, 18323404), (22, 9161702), (44, 4580851), (121, 1665764), (242, 832882), (484, 416441)]