389969293

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{5839}}^1$

素因数の和:5929

約数の個数: 24

約数和(自身を含む): 479347200

約数和(自身を除く): 89377907

約数列:

[1, 7, 29, 47, 49, 203, 329, 1363, 1421, 2303, 5839, 9541, 40873, 66787, 169331, 274433, 286111, 1185317, 1921031, 7958557, 8297219, 13447217, 55709899, 389969293]

約数ペア:

[(1, 389969293), (7, 55709899), (29, 13447217), (47, 8297219), (49, 7958557), (203, 1921031), (329, 1185317), (1363, 286111), (1421, 274433), (2303, 169331), (5839, 66787), (9541, 40873)]