280997423

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{1801}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 332144640

約数和(自身を除く): 51147217

約数列:

[1, 7, 31, 217, 719, 1801, 5033, 12607, 22289, 55831, 156023, 390817, 1294919, 9064433, 40142489, 280997423]

約数ペア:

[(1, 280997423), (7, 40142489), (31, 9064433), (217, 1294919), (719, 390817), (1801, 156023), (5033, 55831), (12607, 22289)]