639133306

素因数分解:

$2^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{135467}}^1$

素因数の和:135813

約数の個数: 16

約数和(自身を含む): 1098916416

約数和(自身を除く): 459783110

約数列:

[1, 2, 7, 14, 337, 674, 2359, 4718, 135467, 270934, 948269, 1896538, 45652379, 91304758, 319566653, 639133306]

約数ペア:

[(1, 639133306), (2, 319566653), (7, 91304758), (14, 45652379), (337, 1896538), (674, 948269), (2359, 270934), (4718, 135467)]