257138304

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21601}}^1$

素因数の和:21649

約数の個数: 64

約数和(自身を含む): 705089280

約数和(自身を除く): 447950976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 21601, 43202, 64803, 86404, 129606, 172808, 259212, 345616, 518424, 669631, 691232, 1036848, 1339262, 1382464, 2008893, 2073696, 2678524, 2764928, 4017786, 4147392, 5357048, 8035572, 8294784, 10714096, 16071144, 21428192, 32142288, 42856384, 64284576, 85712768, 128569152, 257138304]

約数ペア:

[(1, 257138304), (2, 128569152), (3, 85712768), (4, 64284576), (6, 42856384), (8, 32142288), (12, 21428192), (16, 16071144), (24, 10714096), (31, 8294784), (32, 8035572), (48, 5357048), (62, 4147392), (64, 4017786), (93, 2764928), (96, 2678524), (124, 2073696), (128, 2008893), (186, 1382464), (192, 1339262), (248, 1036848), (372, 691232), (384, 669631), (496, 518424), (744, 345616), (992, 259212), (1488, 172808), (1984, 129606), (2976, 86404), (3968, 64803), (5952, 43202), (11904, 21601)]