257754112

素因数分解:

$2^{10}\times 7^2\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 132

約数和(自身を含む): 655269264

約数和(自身を除く): 397515152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 352, 392, 448, 467, 512, 539, 616, 704, 784, 896, 934, 1024, 1078, 1232, 1408, 1568, 1792, 1868, 2156, 2464, 2816, 3136, 3269, 3584, 3736, 4312, 4928, 5137, 5632, 6272, 6538, 7168, 7472, 8624, 9856, 10274, 11264, 12544, 13076, 14944, 17248, 19712, 20548, 22883, 25088, 26152, 29888, 34496, 35959, 39424, 41096, 45766, 50176, 52304, 59776, 68992, 71918, 78848, 82192, 91532, 104608, 119552, 137984, 143836, 164384, 183064, 209216, 239104, 251713, 275968, 287672, 328768, 366128, 418432, 478208, 503426, 551936, 575344, 657536, 732256, 836864, 1006852, 1150688, 1315072, 1464512, 1673728, 2013704, 2301376, 2630144, 2929024, 3347456, 4027408, 4602752, 5260288, 5858048, 8054816, 9205504, 11716096, 16109632, 18411008, 23432192, 32219264, 36822016, 64438528, 128877056, 257754112]

約数ペア:

[(1, 257754112), (2, 128877056), (4, 64438528), (7, 36822016), (8, 32219264), (11, 23432192), (14, 18411008), (16, 16109632), (22, 11716096), (28, 9205504), (32, 8054816), (44, 5858048), (49, 5260288), (56, 4602752), (64, 4027408), (77, 3347456), (88, 2929024), (98, 2630144), (112, 2301376), (128, 2013704), (154, 1673728), (176, 1464512), (196, 1315072), (224, 1150688), (256, 1006852), (308, 836864), (352, 732256), (392, 657536), (448, 575344), (467, 551936), (512, 503426), (539, 478208), (616, 418432), (704, 366128), (784, 328768), (896, 287672), (934, 275968), (1024, 251713), (1078, 239104), (1232, 209216), (1408, 183064), (1568, 164384), (1792, 143836), (1868, 137984), (2156, 119552), (2464, 104608), (2816, 91532), (3136, 82192), (3269, 78848), (3584, 71918), (3736, 68992), (4312, 59776), (4928, 52304), (5137, 50176), (5632, 45766), (6272, 41096), (6538, 39424), (7168, 35959), (7472, 34496), (8624, 29888), (9856, 26152), (10274, 25088), (11264, 22883), (12544, 20548), (13076, 19712), (14944, 17248)]