31126258

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2011}}^1$

素因数の和:2193

約数の個数: 16

約数和(自身を含む): 47805120

約数和(自身を除く): 16678862

約数列:

[1, 2, 71, 109, 142, 218, 2011, 4022, 7739, 15478, 142781, 219199, 285562, 438398, 15563129, 31126258]

約数ペア:

[(1, 31126258), (2, 15563129), (71, 438398), (109, 285562), (142, 219199), (218, 142781), (2011, 15478), (4022, 7739)]