257459712

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{5407}}^1$

素因数の和:5459

約数の個数: 80

約数和(自身を含む): 708145152

約数和(自身を除く): 450685440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1488, 1536, 1984, 2976, 3968, 5407, 5952, 7936, 10814, 11904, 15872, 16221, 21628, 23808, 32442, 43256, 47616, 64884, 86512, 129768, 167617, 173024, 259536, 335234, 346048, 502851, 519072, 670468, 692096, 1005702, 1038144, 1340936, 1384192, 2011404, 2076288, 2681872, 2768384, 4022808, 4152576, 5363744, 8045616, 8305152, 10727488, 16091232, 21454976, 32182464, 42909952, 64364928, 85819904, 128729856, 257459712]

約数ペア:

[(1, 257459712), (2, 128729856), (3, 85819904), (4, 64364928), (6, 42909952), (8, 32182464), (12, 21454976), (16, 16091232), (24, 10727488), (31, 8305152), (32, 8045616), (48, 5363744), (62, 4152576), (64, 4022808), (93, 2768384), (96, 2681872), (124, 2076288), (128, 2011404), (186, 1384192), (192, 1340936), (248, 1038144), (256, 1005702), (372, 692096), (384, 670468), (496, 519072), (512, 502851), (744, 346048), (768, 335234), (992, 259536), (1488, 173024), (1536, 167617), (1984, 129768), (2976, 86512), (3968, 64884), (5407, 47616), (5952, 43256), (7936, 32442), (10814, 23808), (11904, 21628), (15872, 16221)]