25880197

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 30222720

約数和(自身を除く): 4342523

約数列:

[1, 7, 107, 109, 317, 749, 763, 2219, 11663, 33919, 34553, 81641, 237433, 241871, 3697171, 25880197]

約数ペア:

[(1, 25880197), (7, 3697171), (107, 241871), (109, 237433), (317, 81641), (749, 34553), (763, 33919), (2219, 11663)]