257390336

素因数分解:

$2^8\times 7^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 162

約数和(自身を含む): 643823208

約数和(自身を除く): 386432872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 71, 98, 112, 119, 128, 136, 142, 196, 224, 238, 256, 272, 284, 289, 392, 448, 476, 497, 544, 568, 578, 784, 833, 896, 952, 994, 1088, 1136, 1156, 1207, 1568, 1666, 1792, 1904, 1988, 2023, 2176, 2272, 2312, 2414, 3136, 3332, 3479, 3808, 3976, 4046, 4352, 4544, 4624, 4828, 6272, 6664, 6958, 7616, 7952, 8092, 8449, 9088, 9248, 9656, 12544, 13328, 13916, 14161, 15232, 15904, 16184, 16898, 18176, 18496, 19312, 20519, 26656, 27832, 28322, 30464, 31808, 32368, 33796, 36992, 38624, 41038, 53312, 55664, 56644, 59143, 63616, 64736, 67592, 73984, 77248, 82076, 106624, 111328, 113288, 118286, 127232, 129472, 135184, 143633, 154496, 164152, 213248, 222656, 226576, 236572, 258944, 270368, 287266, 308992, 328304, 445312, 453152, 473144, 517888, 540736, 574532, 656608, 890624, 906304, 946288, 1005431, 1081472, 1149064, 1313216, 1812608, 1892576, 2010862, 2162944, 2298128, 2626432, 3625216, 3785152, 4021724, 4596256, 5252864, 7570304, 8043448, 9192512, 15140608, 16086896, 18385024, 32173792, 36770048, 64347584, 128695168, 257390336]

約数ペア:

[(1, 257390336), (2, 128695168), (4, 64347584), (7, 36770048), (8, 32173792), (14, 18385024), (16, 16086896), (17, 15140608), (28, 9192512), (32, 8043448), (34, 7570304), (49, 5252864), (56, 4596256), (64, 4021724), (68, 3785152), (71, 3625216), (98, 2626432), (112, 2298128), (119, 2162944), (128, 2010862), (136, 1892576), (142, 1812608), (196, 1313216), (224, 1149064), (238, 1081472), (256, 1005431), (272, 946288), (284, 906304), (289, 890624), (392, 656608), (448, 574532), (476, 540736), (497, 517888), (544, 473144), (568, 453152), (578, 445312), (784, 328304), (833, 308992), (896, 287266), (952, 270368), (994, 258944), (1088, 236572), (1136, 226576), (1156, 222656), (1207, 213248), (1568, 164152), (1666, 154496), (1792, 143633), (1904, 135184), (1988, 129472), (2023, 127232), (2176, 118286), (2272, 113288), (2312, 111328), (2414, 106624), (3136, 82076), (3332, 77248), (3479, 73984), (3808, 67592), (3976, 64736), (4046, 63616), (4352, 59143), (4544, 56644), (4624, 55664), (4828, 53312), (6272, 41038), (6664, 38624), (6958, 36992), (7616, 33796), (7952, 32368), (8092, 31808), (8449, 30464), (9088, 28322), (9248, 27832), (9656, 26656), (12544, 20519), (13328, 19312), (13916, 18496), (14161, 18176), (15232, 16898), (15904, 16184)]