257907456

素因数分解:

$2^8\times 3^3\times {\mathrm{37313}}^1$

素因数の和:37338

約数の個数: 72

約数和(自身を含む): 762698160

約数和(自身を除く): 504790704

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, 576, 768, 864, 1152, 1728, 2304, 3456, 6912, 37313, 74626, 111939, 149252, 223878, 298504, 335817, 447756, 597008, 671634, 895512, 1007451, 1194016, 1343268, 1791024, 2014902, 2388032, 2686536, 3582048, 4029804, 4776064, 5373072, 7164096, 8059608, 9552128, 10746144, 14328192, 16119216, 21492288, 28656384, 32238432, 42984576, 64476864, 85969152, 128953728, 257907456]

約数ペア:

[(1, 257907456), (2, 128953728), (3, 85969152), (4, 64476864), (6, 42984576), (8, 32238432), (9, 28656384), (12, 21492288), (16, 16119216), (18, 14328192), (24, 10746144), (27, 9552128), (32, 8059608), (36, 7164096), (48, 5373072), (54, 4776064), (64, 4029804), (72, 3582048), (96, 2686536), (108, 2388032), (128, 2014902), (144, 1791024), (192, 1343268), (216, 1194016), (256, 1007451), (288, 895512), (384, 671634), (432, 597008), (576, 447756), (768, 335817), (864, 298504), (1152, 223878), (1728, 149252), (2304, 111939), (3456, 74626), (6912, 37313)]