281665792

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 605633112

約数和(自身を除く): 323967320

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 128, 136, 244, 256, 272, 488, 544, 976, 1037, 1061, 1088, 1952, 2074, 2122, 2176, 3904, 4148, 4244, 4352, 7808, 8296, 8488, 15616, 16592, 16976, 18037, 33184, 33952, 36074, 64721, 66368, 67904, 72148, 129442, 132736, 135808, 144296, 258884, 265472, 271616, 288592, 517768, 577184, 1035536, 1100257, 1154368, 2071072, 2200514, 2308736, 4142144, 4401028, 4617472, 8284288, 8802056, 16568576, 17604112, 35208224, 70416448, 140832896, 281665792]

約数ペア:

[(1, 281665792), (2, 140832896), (4, 70416448), (8, 35208224), (16, 17604112), (17, 16568576), (32, 8802056), (34, 8284288), (61, 4617472), (64, 4401028), (68, 4142144), (122, 2308736), (128, 2200514), (136, 2071072), (244, 1154368), (256, 1100257), (272, 1035536), (488, 577184), (544, 517768), (976, 288592), (1037, 271616), (1061, 265472), (1088, 258884), (1952, 144296), (2074, 135808), (2122, 132736), (2176, 129442), (3904, 72148), (4148, 67904), (4244, 66368), (4352, 64721), (7808, 36074), (8296, 33952), (8488, 33184), (15616, 18037), (16592, 16976)]