2498496721

素因数分解:

$7^3\times {\mathrm{571}}^1\times {\mathrm{12757}}^1$

素因数の和:13349

約数の個数: 16

約数和(自身を含む): 2919030400

約数和(自身を除く): 420533679

約数列:

[1, 7, 49, 343, 571, 3997, 12757, 27979, 89299, 195853, 625093, 4375651, 7284247, 50989729, 356928103, 2498496721]

約数ペア:

[(1, 2498496721), (7, 356928103), (49, 50989729), (343, 7284247), (571, 4375651), (3997, 625093), (12757, 195853), (27979, 89299)]