2468765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 3360000

約数和(自身を除く): 891235

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 1999, 9995, 25987, 37981, 129935, 189905, 493753, 2468765]

約数ペア:

[(1, 2468765), (5, 493753), (13, 189905), (19, 129935), (65, 37981), (95, 25987), (247, 9995), (1235, 1999)]