98940505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1999}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 125280000

約数和(自身を除く): 26339495

約数列:

[1, 5, 19, 95, 521, 1999, 2605, 9899, 9995, 37981, 49495, 189905, 1041479, 5207395, 19788101, 98940505]

約数ペア:

[(1, 98940505), (5, 19788101), (19, 5207395), (95, 1041479), (521, 189905), (1999, 49495), (2605, 37981), (9899, 9995)]