1213303045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{6389}}^1$

素因数の和:8412

約数の個数: 16

約数和(自身を含む): 1533600000

約数和(自身を除く): 320296955

約数列:

[1, 5, 19, 95, 1999, 6389, 9995, 31945, 37981, 121391, 189905, 606955, 12771611, 63858055, 242660609, 1213303045]

約数ペア:

[(1, 1213303045), (5, 242660609), (19, 63858055), (95, 12771611), (1999, 606955), (6389, 189905), (9995, 121391), (31945, 37981)]