25205621

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 29774976

約数和(自身を除く): 4569355

約数列:

[1, 7, 37, 259, 307, 317, 2149, 2219, 11359, 11729, 79513, 82103, 97319, 681233, 3600803, 25205621]

約数ペア:

[(1, 25205621), (7, 3600803), (37, 681233), (259, 97319), (307, 82103), (317, 79513), (2149, 11729), (2219, 11359)]