49890379

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{1889}}^1$

素因数の和:1928

約数の個数: 20

約数和(自身を含む): 63526680

約数和(自身を除く): 13636301

約数列:

[1, 7, 11, 49, 77, 343, 539, 1889, 2401, 3773, 13223, 20779, 26411, 92561, 145453, 647927, 1018171, 4535489, 7127197, 49890379]

約数ペア:

[(1, 49890379), (7, 7127197), (11, 4535489), (49, 1018171), (77, 647927), (343, 145453), (539, 92561), (1889, 26411), (2401, 20779), (3773, 13223)]