68555705

素因数分解:

$5^1\times {\mathrm{19}}^3\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 16

約数和(自身を含む): 86880000

約数和(自身を除く): 18324295

約数列:

[1, 5, 19, 95, 361, 1805, 1999, 6859, 9995, 34295, 37981, 189905, 721639, 3608195, 13711141, 68555705]

約数ペア:

[(1, 68555705), (5, 13711141), (19, 3608195), (95, 721639), (361, 189905), (1805, 37981), (1999, 34295), (6859, 9995)]