187406857

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 213012800

約数和(自身を除く): 25605943

約数列:

[1, 11, 43, 121, 181, 199, 473, 1991, 2189, 5203, 7783, 8557, 21901, 24079, 36019, 85613, 94127, 396209, 941743, 1035397, 1548817, 4358299, 17036987, 187406857]

約数ペア:

[(1, 187406857), (11, 17036987), (43, 4358299), (121, 1548817), (181, 1035397), (199, 941743), (473, 396209), (1991, 94127), (2189, 85613), (5203, 36019), (7783, 24079), (8557, 21901)]