1866887

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 16

約数和(自身を含む): 2184192

約数和(自身を除く): 317305

約数列:

[1, 11, 23, 47, 157, 253, 517, 1081, 1727, 3611, 7379, 11891, 39721, 81169, 169717, 1866887]

約数ペア:

[(1, 1866887), (11, 169717), (23, 81169), (47, 39721), (157, 11891), (253, 7379), (517, 3611), (1081, 1727)]