257440512

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{6841}}^1$

素因数の和:6874

約数の個数: 108

約数和(自身を含む): 797147736

約数和(自身を除く): 539707224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 588, 672, 768, 784, 896, 1176, 1344, 1568, 1792, 2352, 2688, 3136, 4704, 5376, 6272, 6841, 9408, 12544, 13682, 18816, 20523, 27364, 37632, 41046, 47887, 54728, 82092, 95774, 109456, 143661, 164184, 191548, 218912, 287322, 328368, 335209, 383096, 437824, 574644, 656736, 670418, 766192, 875648, 1005627, 1149288, 1313472, 1340836, 1532384, 1751296, 2011254, 2298576, 2626944, 2681672, 3064768, 4022508, 4597152, 5253888, 5363344, 6129536, 8045016, 9194304, 10726688, 12259072, 16090032, 18388608, 21453376, 32180064, 36777216, 42906752, 64360128, 85813504, 128720256, 257440512]

約数ペア:

[(1, 257440512), (2, 128720256), (3, 85813504), (4, 64360128), (6, 42906752), (7, 36777216), (8, 32180064), (12, 21453376), (14, 18388608), (16, 16090032), (21, 12259072), (24, 10726688), (28, 9194304), (32, 8045016), (42, 6129536), (48, 5363344), (49, 5253888), (56, 4597152), (64, 4022508), (84, 3064768), (96, 2681672), (98, 2626944), (112, 2298576), (128, 2011254), (147, 1751296), (168, 1532384), (192, 1340836), (196, 1313472), (224, 1149288), (256, 1005627), (294, 875648), (336, 766192), (384, 670418), (392, 656736), (448, 574644), (588, 437824), (672, 383096), (768, 335209), (784, 328368), (896, 287322), (1176, 218912), (1344, 191548), (1568, 164184), (1792, 143661), (2352, 109456), (2688, 95774), (3136, 82092), (4704, 54728), (5376, 47887), (6272, 41046), (6841, 37632), (9408, 27364), (12544, 20523), (13682, 18816)]