204507908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{422537}}^1$

素因数の和:422563

約数の個数: 18

約数和(自身を含む): 393382878

約数和(自身を除く): 188874970

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 422537, 845074, 1690148, 4647907, 9295814, 18591628, 51126977, 102253954, 204507908]

約数ペア:

[(1, 204507908), (2, 102253954), (4, 51126977), (11, 18591628), (22, 9295814), (44, 4647907), (121, 1690148), (242, 845074), (484, 422537)]