263945168

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{64189}}^1$

素因数の和:64454

約数の個数: 20

約数和(自身を含む): 513391620

約数和(自身を除く): 249446452

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 64189, 128378, 256756, 513512, 1027024, 16496573, 32993146, 65986292, 131972584, 263945168]

約数ペア:

[(1, 263945168), (2, 131972584), (4, 65986292), (8, 32993146), (16, 16496573), (257, 1027024), (514, 513512), (1028, 256756), (2056, 128378), (4112, 64189)]