203971072

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 80

約数和(自身を含む): 428972544

約数和(自身を除く): 225001472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 181, 248, 256, 284, 362, 496, 512, 568, 724, 992, 1136, 1448, 1984, 2201, 2272, 2896, 3968, 4402, 4544, 5611, 5792, 7936, 8804, 9088, 11222, 11584, 12851, 15872, 17608, 18176, 22444, 23168, 25702, 35216, 36352, 44888, 46336, 51404, 70432, 89776, 92672, 102808, 140864, 179552, 205616, 281728, 359104, 398381, 411232, 563456, 718208, 796762, 822464, 1126912, 1436416, 1593524, 1644928, 2872832, 3187048, 3289856, 6374096, 6579712, 12748192, 25496384, 50992768, 101985536, 203971072]

約数ペア:

[(1, 203971072), (2, 101985536), (4, 50992768), (8, 25496384), (16, 12748192), (31, 6579712), (32, 6374096), (62, 3289856), (64, 3187048), (71, 2872832), (124, 1644928), (128, 1593524), (142, 1436416), (181, 1126912), (248, 822464), (256, 796762), (284, 718208), (362, 563456), (496, 411232), (512, 398381), (568, 359104), (724, 281728), (992, 205616), (1136, 179552), (1448, 140864), (1984, 102808), (2201, 92672), (2272, 89776), (2896, 70432), (3968, 51404), (4402, 46336), (4544, 44888), (5611, 36352), (5792, 35216), (7936, 25702), (8804, 23168), (9088, 22444), (11222, 18176), (11584, 17608), (12851, 15872)]