1389779909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{243011}}^1$

素因数の和:243080

約数の個数: 16

約数和(自身を含む): 1710804480

約数和(自身を除く): 321024571

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 243011, 1701077, 4617209, 10449473, 32320463, 73146311, 198539987, 1389779909]

約数ペア:

[(1, 1389779909), (7, 198539987), (19, 73146311), (43, 32320463), (133, 10449473), (301, 4617209), (817, 1701077), (5719, 243011)]