9978485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{433}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 13124160

約数和(自身を除く): 3145675

約数列:

[1, 5, 11, 55, 419, 433, 2095, 2165, 4609, 4763, 23045, 23815, 181427, 907135, 1995697, 9978485]

約数ペア:

[(1, 9978485), (5, 1995697), (11, 907135), (55, 181427), (419, 23815), (433, 23045), (2095, 4763), (2165, 4609)]