213911489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{49991}}^1$

素因数の和:50391

約数の個数: 8

約数和(自身を含む): 233962560

約数和(自身を除く): 20051071

約数列:

[1, 11, 389, 4279, 49991, 549901, 19446499, 213911489]

約数ペア:

[(1, 213911489), (11, 19446499), (389, 549901), (4279, 49991)]