13220485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 16790400

約数和(自身を除く): 3569915

約数列:

[1, 5, 19, 95, 317, 439, 1585, 2195, 6023, 8341, 30115, 41705, 139163, 695815, 2644097, 13220485]

約数ペア:

[(1, 13220485), (5, 2644097), (19, 695815), (95, 139163), (317, 41705), (439, 30115), (1585, 8341), (2195, 6023)]