257969664

素因数分解:

$2^9\times 3^3\times {\mathrm{18661}}^1$

素因数の和:18688

約数の個数: 80

約数和(自身を含む): 763649040

約数和(自身を除く): 505679376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1728, 2304, 3456, 4608, 6912, 13824, 18661, 37322, 55983, 74644, 111966, 149288, 167949, 223932, 298576, 335898, 447864, 503847, 597152, 671796, 895728, 1007694, 1194304, 1343592, 1791456, 2015388, 2388608, 2687184, 3582912, 4030776, 4777216, 5374368, 7165824, 8061552, 9554432, 10748736, 14331648, 16123104, 21497472, 28663296, 32246208, 42994944, 64492416, 85989888, 128984832, 257969664]

約数ペア:

[(1, 257969664), (2, 128984832), (3, 85989888), (4, 64492416), (6, 42994944), (8, 32246208), (9, 28663296), (12, 21497472), (16, 16123104), (18, 14331648), (24, 10748736), (27, 9554432), (32, 8061552), (36, 7165824), (48, 5374368), (54, 4777216), (64, 4030776), (72, 3582912), (96, 2687184), (108, 2388608), (128, 2015388), (144, 1791456), (192, 1343592), (216, 1194304), (256, 1007694), (288, 895728), (384, 671796), (432, 597152), (512, 503847), (576, 447864), (768, 335898), (864, 298576), (1152, 223932), (1536, 167949), (1728, 149288), (2304, 111966), (3456, 74644), (4608, 55983), (6912, 37322), (13824, 18661)]