8188791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 12714240

約数和(自身を除く): 4525449

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 257, 559, 741, 771, 817, 1677, 2451, 3341, 4883, 10023, 10621, 11051, 14649, 31863, 33153, 63479, 143663, 190437, 209969, 430989, 629907, 2729597, 8188791]

約数ペア:

[(1, 8188791), (3, 2729597), (13, 629907), (19, 430989), (39, 209969), (43, 190437), (57, 143663), (129, 63479), (247, 33153), (257, 31863), (559, 14649), (741, 11051), (771, 10621), (817, 10023), (1677, 4883), (2451, 3341)]