199210825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{724403}}^1$

素因数の和:724424

約数の個数: 12

約数和(自身を含む): 269478288

約数和(自身を除く): 70267463

約数列:

[1, 5, 11, 25, 55, 275, 724403, 3622015, 7968433, 18110075, 39842165, 199210825]

約数ペア:

[(1, 199210825), (5, 39842165), (11, 18110075), (25, 7968433), (55, 3622015), (275, 724403)]