255971968

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12465

約数の個数: 64

約数和(自身を含む): 608181120

約数和(自身を除く): 352209152

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1288, 1472, 2576, 2944, 5152, 10304, 12421, 20608, 24842, 49684, 86947, 99368, 173894, 198736, 285683, 347788, 397472, 571366, 695576, 794944, 1142732, 1391152, 1589888, 1999781, 2285464, 2782304, 3999562, 4570928, 5564608, 7999124, 9141856, 11129216, 15998248, 18283712, 31996496, 36567424, 63992992, 127985984, 255971968]

約数ペア:

[(1, 255971968), (2, 127985984), (4, 63992992), (7, 36567424), (8, 31996496), (14, 18283712), (16, 15998248), (23, 11129216), (28, 9141856), (32, 7999124), (46, 5564608), (56, 4570928), (64, 3999562), (92, 2782304), (112, 2285464), (128, 1999781), (161, 1589888), (184, 1391152), (224, 1142732), (322, 794944), (368, 695576), (448, 571366), (644, 397472), (736, 347788), (896, 285683), (1288, 198736), (1472, 173894), (2576, 99368), (2944, 86947), (5152, 49684), (10304, 24842), (12421, 20608)]