637779968

素因数分解:

$2^{14}\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 1497320832

約数和(自身を除く): 859540864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 83, 112, 128, 134, 166, 224, 256, 268, 332, 448, 469, 512, 536, 581, 664, 896, 938, 1024, 1072, 1162, 1328, 1792, 1876, 2048, 2144, 2324, 2656, 3584, 3752, 4096, 4288, 4648, 5312, 5561, 7168, 7504, 8192, 8576, 9296, 10624, 11122, 14336, 15008, 16384, 17152, 18592, 21248, 22244, 28672, 30016, 34304, 37184, 38927, 42496, 44488, 57344, 60032, 68608, 74368, 77854, 84992, 88976, 114688, 120064, 137216, 148736, 155708, 169984, 177952, 240128, 274432, 297472, 311416, 339968, 355904, 480256, 548864, 594944, 622832, 679936, 711808, 960512, 1097728, 1189888, 1245664, 1359872, 1423616, 1921024, 2379776, 2491328, 2847232, 3842048, 4759552, 4982656, 5694464, 7684096, 9519104, 9965312, 11388928, 19930624, 22777856, 39861248, 45555712, 79722496, 91111424, 159444992, 318889984, 637779968]

約数ペア:

[(1, 637779968), (2, 318889984), (4, 159444992), (7, 91111424), (8, 79722496), (14, 45555712), (16, 39861248), (28, 22777856), (32, 19930624), (56, 11388928), (64, 9965312), (67, 9519104), (83, 7684096), (112, 5694464), (128, 4982656), (134, 4759552), (166, 3842048), (224, 2847232), (256, 2491328), (268, 2379776), (332, 1921024), (448, 1423616), (469, 1359872), (512, 1245664), (536, 1189888), (581, 1097728), (664, 960512), (896, 711808), (938, 679936), (1024, 622832), (1072, 594944), (1162, 548864), (1328, 480256), (1792, 355904), (1876, 339968), (2048, 311416), (2144, 297472), (2324, 274432), (2656, 240128), (3584, 177952), (3752, 169984), (4096, 155708), (4288, 148736), (4648, 137216), (5312, 120064), (5561, 114688), (7168, 88976), (7504, 84992), (8192, 77854), (8576, 74368), (9296, 68608), (10624, 60032), (11122, 57344), (14336, 44488), (15008, 42496), (16384, 38927), (17152, 37184), (18592, 34304), (21248, 30016), (22244, 28672)]