7989215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6506

約数の個数: 16

約数和(自身を含む): 10869600

約数和(自身を除く): 2880385

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 6469, 32345, 84097, 122911, 420485, 614555, 1597843, 7989215]

約数ペア:

[(1, 7989215), (5, 1597843), (13, 614555), (19, 420485), (65, 122911), (95, 84097), (247, 32345), (1235, 6469)]