2985619

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 3862320

約数和(自身を除く): 876701

約数列:

[1, 7, 13, 43, 49, 91, 109, 301, 559, 637, 763, 1417, 2107, 3913, 4687, 5341, 9919, 27391, 32809, 60931, 69433, 229663, 426517, 2985619]

約数ペア:

[(1, 2985619), (7, 426517), (13, 229663), (43, 69433), (49, 60931), (91, 32809), (109, 27391), (301, 9919), (559, 5341), (637, 4687), (763, 3913), (1417, 2107)]