1909968403

素因数分解:

$7^3\times {\mathrm{1069}}^1\times {\mathrm{5209}}^1$

素因数の和:6299

約数の個数: 16

約数和(自身を含む): 2229880000

約数和(自身を除く): 319911597

約数列:

[1, 7, 49, 343, 1069, 5209, 7483, 36463, 52381, 255241, 366667, 1786687, 5568421, 38978947, 272852629, 1909968403]

約数ペア:

[(1, 1909968403), (7, 272852629), (49, 38978947), (343, 5568421), (1069, 1786687), (5209, 366667), (7483, 255241), (36463, 52381)]