128729856

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{5407}}^1$

素因数の和:5457

約数の個数: 72

約数和(自身を含む): 353726464

約数和(自身を除く): 224996608

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, 744, 768, 992, 1488, 1984, 2976, 3968, 5407, 5952, 7936, 10814, 11904, 16221, 21628, 23808, 32442, 43256, 64884, 86512, 129768, 167617, 173024, 259536, 335234, 346048, 502851, 519072, 670468, 692096, 1005702, 1038144, 1340936, 1384192, 2011404, 2076288, 2681872, 4022808, 4152576, 5363744, 8045616, 10727488, 16091232, 21454976, 32182464, 42909952, 64364928, 128729856]

約数ペア:

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