685040384

素因数分解:

$2^8\times 7^2\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 108

約数和(自身を含む): 1609907544

約数和(自身を除く): 924867160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 97, 98, 112, 128, 194, 196, 224, 256, 388, 392, 448, 563, 679, 776, 784, 896, 1126, 1358, 1552, 1568, 1792, 2252, 2716, 3104, 3136, 3941, 4504, 4753, 5432, 6208, 6272, 7882, 9008, 9506, 10864, 12416, 12544, 15764, 18016, 19012, 21728, 24832, 27587, 31528, 36032, 38024, 43456, 54611, 55174, 63056, 72064, 76048, 86912, 109222, 110348, 126112, 144128, 152096, 173824, 218444, 220696, 252224, 304192, 382277, 436888, 441392, 504448, 608384, 764554, 873776, 882784, 1008896, 1216768, 1529108, 1747552, 1765568, 2675939, 3058216, 3495104, 3531136, 5351878, 6116432, 6990208, 7062272, 10703756, 12232864, 13980416, 21407512, 24465728, 42815024, 48931456, 85630048, 97862912, 171260096, 342520192, 685040384]

約数ペア:

[(1, 685040384), (2, 342520192), (4, 171260096), (7, 97862912), (8, 85630048), (14, 48931456), (16, 42815024), (28, 24465728), (32, 21407512), (49, 13980416), (56, 12232864), (64, 10703756), (97, 7062272), (98, 6990208), (112, 6116432), (128, 5351878), (194, 3531136), (196, 3495104), (224, 3058216), (256, 2675939), (388, 1765568), (392, 1747552), (448, 1529108), (563, 1216768), (679, 1008896), (776, 882784), (784, 873776), (896, 764554), (1126, 608384), (1358, 504448), (1552, 441392), (1568, 436888), (1792, 382277), (2252, 304192), (2716, 252224), (3104, 220696), (3136, 218444), (3941, 173824), (4504, 152096), (4753, 144128), (5432, 126112), (6208, 110348), (6272, 109222), (7882, 86912), (9008, 76048), (9506, 72064), (10864, 63056), (12416, 55174), (12544, 54611), (15764, 43456), (18016, 38024), (19012, 36032), (21728, 31528), (24832, 27587)]