257202176

素因数分解:

$2^{11}\times 7^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 655429320

約数和(自身を除く): 398227144

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, 233, 256, 308, 352, 392, 448, 466, 512, 539, 616, 704, 784, 896, 932, 1024, 1078, 1232, 1408, 1568, 1631, 1792, 1864, 2048, 2156, 2464, 2563, 2816, 3136, 3262, 3584, 3728, 4312, 4928, 5126, 5632, 6272, 6524, 7168, 7456, 8624, 9856, 10252, 11264, 11417, 12544, 13048, 14336, 14912, 17248, 17941, 19712, 20504, 22528, 22834, 25088, 26096, 29824, 34496, 35882, 39424, 41008, 45668, 50176, 52192, 59648, 68992, 71764, 78848, 82016, 91336, 100352, 104384, 119296, 125587, 137984, 143528, 157696, 164032, 182672, 208768, 238592, 251174, 275968, 287056, 328064, 365344, 417536, 477184, 502348, 551936, 574112, 656128, 730688, 835072, 1004696, 1103872, 1148224, 1312256, 1461376, 1670144, 2009392, 2296448, 2624512, 2922752, 3340288, 4018784, 4592896, 5249024, 5845504, 8037568, 9185792, 11691008, 16075136, 18371584, 23382016, 32150272, 36743168, 64300544, 128601088, 257202176]

約数ペア:

[(1, 257202176), (2, 128601088), (4, 64300544), (7, 36743168), (8, 32150272), (11, 23382016), (14, 18371584), (16, 16075136), (22, 11691008), (28, 9185792), (32, 8037568), (44, 5845504), (49, 5249024), (56, 4592896), (64, 4018784), (77, 3340288), (88, 2922752), (98, 2624512), (112, 2296448), (128, 2009392), (154, 1670144), (176, 1461376), (196, 1312256), (224, 1148224), (233, 1103872), (256, 1004696), (308, 835072), (352, 730688), (392, 656128), (448, 574112), (466, 551936), (512, 502348), (539, 477184), (616, 417536), (704, 365344), (784, 328064), (896, 287056), (932, 275968), (1024, 251174), (1078, 238592), (1232, 208768), (1408, 182672), (1568, 164032), (1631, 157696), (1792, 143528), (1864, 137984), (2048, 125587), (2156, 119296), (2464, 104384), (2563, 100352), (2816, 91336), (3136, 82016), (3262, 78848), (3584, 71764), (3728, 68992), (4312, 59648), (4928, 52192), (5126, 50176), (5632, 45668), (6272, 41008), (6524, 39424), (7168, 35882), (7456, 34496), (8624, 29824), (9856, 26096), (10252, 25088), (11264, 22834), (11417, 22528), (12544, 20504), (13048, 19712), (14336, 17941), (14912, 17248)]