199902109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{45319}}^1$

素因数の和:45731

約数の個数: 8

約数和(自身を含む): 218623680

約数和(自身を除く): 18721571

約数列:

[1, 11, 401, 4411, 45319, 498509, 18172919, 199902109]

約数ペア:

[(1, 199902109), (11, 18172919), (401, 498509), (4411, 45319)]