77917721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{4523}}^1$

素因数の和:4660

約数の個数: 16

約数和(自身を含む): 93809664

約数和(自身を除く): 15891943

約数列:

[1, 7, 23, 107, 161, 749, 2461, 4523, 17227, 31661, 104029, 483961, 728203, 3387727, 11131103, 77917721]

約数ペア:

[(1, 77917721), (7, 11131103), (23, 3387727), (107, 728203), (161, 483961), (749, 104029), (2461, 31661), (4523, 17227)]