99990317

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2459}}^1$

素因数の和:2660

約数の個数: 16

約数和(自身を含む): 118158720

約数和(自身を除く): 18168403

約数列:

[1, 7, 37, 157, 259, 1099, 2459, 5809, 17213, 40663, 90983, 386063, 636881, 2702441, 14284331, 99990317]

約数ペア:

[(1, 99990317), (7, 14284331), (37, 2702441), (157, 636881), (259, 386063), (1099, 90983), (2459, 40663), (5809, 17213)]