208154606

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{860143}}^1$

素因数の和:860167

約数の個数: 12

約数和(自身を含む): 343197456

約数和(自身を除く): 135042850

約数列:

[1, 2, 11, 22, 121, 242, 860143, 1720286, 9461573, 18923146, 104077303, 208154606]

約数ペア:

[(1, 208154606), (2, 104077303), (11, 18923146), (22, 9461573), (121, 1720286), (242, 860143)]