128695168

素因数分解:

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

素因数の和:133

約数の個数: 144

約数和(自身を含む): 321281640

約数和(自身を除く): 192586472

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, 272, 284, 289, 392, 448, 476, 497, 544, 568, 578, 784, 833, 896, 952, 994, 1088, 1136, 1156, 1207, 1568, 1666, 1904, 1988, 2023, 2176, 2272, 2312, 2414, 3136, 3332, 3479, 3808, 3976, 4046, 4544, 4624, 4828, 6272, 6664, 6958, 7616, 7952, 8092, 8449, 9088, 9248, 9656, 13328, 13916, 14161, 15232, 15904, 16184, 16898, 18496, 19312, 20519, 26656, 27832, 28322, 31808, 32368, 33796, 36992, 38624, 41038, 53312, 55664, 56644, 59143, 63616, 64736, 67592, 77248, 82076, 106624, 111328, 113288, 118286, 129472, 135184, 143633, 154496, 164152, 222656, 226576, 236572, 258944, 270368, 287266, 328304, 445312, 453152, 473144, 540736, 574532, 656608, 906304, 946288, 1005431, 1081472, 1149064, 1313216, 1812608, 1892576, 2010862, 2298128, 2626432, 3785152, 4021724, 4596256, 7570304, 8043448, 9192512, 16086896, 18385024, 32173792, 64347584, 128695168]

約数ペア:

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