78830521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2311}}^1$

素因数の和:2772

約数の個数: 16

約数和(自身を含む): 98546688

約数和(自身を除く): 19716167

約数列:

[1, 7, 11, 77, 443, 2311, 3101, 4873, 16177, 25421, 34111, 177947, 1023773, 7166411, 11261503, 78830521]

約数ペア:

[(1, 78830521), (7, 11261503), (11, 7166411), (77, 1023773), (443, 177947), (2311, 34111), (3101, 25421), (4873, 16177)]