209211662

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{864511}}^1$

素因数の和:864535

約数の個数: 12

約数和(自身を含む): 344940288

約数和(自身を除く): 135728626

約数列:

[1, 2, 11, 22, 121, 242, 864511, 1729022, 9509621, 19019242, 104605831, 209211662]

約数ペア:

[(1, 209211662), (2, 104605831), (11, 19019242), (22, 9509621), (121, 1729022), (242, 864511)]