208004792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 431308800

約数和(自身を除く): 223304008

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 103, 124, 136, 206, 248, 412, 479, 527, 824, 958, 1054, 1751, 1916, 2108, 3193, 3502, 3832, 4216, 6386, 7004, 8143, 12772, 14008, 14849, 16286, 25544, 29698, 32572, 49337, 54281, 59396, 65144, 98674, 108562, 118792, 197348, 217124, 252433, 394696, 434248, 504866, 838729, 1009732, 1529447, 1677458, 2019464, 3058894, 3354916, 6117788, 6709832, 12235576, 26000599, 52001198, 104002396, 208004792]

約数ペア:

[(1, 208004792), (2, 104002396), (4, 52001198), (8, 26000599), (17, 12235576), (31, 6709832), (34, 6117788), (62, 3354916), (68, 3058894), (103, 2019464), (124, 1677458), (136, 1529447), (206, 1009732), (248, 838729), (412, 504866), (479, 434248), (527, 394696), (824, 252433), (958, 217124), (1054, 197348), (1751, 118792), (1916, 108562), (2108, 98674), (3193, 65144), (3502, 59396), (3832, 54281), (4216, 49337), (6386, 32572), (7004, 29698), (8143, 25544), (12772, 16286), (14008, 14849)]