205821616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 545965056

約数和(自身を除く): 340143440

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 71, 77, 88, 91, 104, 112, 142, 143, 154, 176, 181, 182, 208, 284, 286, 308, 362, 364, 497, 568, 572, 616, 724, 728, 781, 923, 994, 1001, 1136, 1144, 1232, 1267, 1448, 1456, 1562, 1846, 1988, 1991, 2002, 2288, 2353, 2534, 2896, 3124, 3692, 3976, 3982, 4004, 4706, 5068, 5467, 6248, 6461, 7384, 7952, 7964, 8008, 9412, 10136, 10153, 10934, 12496, 12851, 12922, 13937, 14768, 15928, 16016, 16471, 18824, 20272, 20306, 21868, 25702, 25844, 25883, 27874, 31856, 32942, 37648, 40612, 43736, 51404, 51688, 51766, 55748, 65884, 71071, 81224, 87472, 89957, 102808, 103376, 103532, 111496, 131768, 141361, 142142, 162448, 167063, 179914, 181181, 205616, 207064, 222992, 263536, 282722, 284284, 334126, 359828, 362362, 414128, 565444, 568568, 668252, 719656, 724724, 989527, 1130888, 1137136, 1169441, 1336504, 1439312, 1449448, 1837693, 1979054, 2261776, 2338882, 2673008, 2898896, 3675386, 3958108, 4677764, 7350772, 7916216, 9355528, 12863851, 14701544, 15832432, 18711056, 25727702, 29403088, 51455404, 102910808, 205821616]

約数ペア:

[(1, 205821616), (2, 102910808), (4, 51455404), (7, 29403088), (8, 25727702), (11, 18711056), (13, 15832432), (14, 14701544), (16, 12863851), (22, 9355528), (26, 7916216), (28, 7350772), (44, 4677764), (52, 3958108), (56, 3675386), (71, 2898896), (77, 2673008), (88, 2338882), (91, 2261776), (104, 1979054), (112, 1837693), (142, 1449448), (143, 1439312), (154, 1336504), (176, 1169441), (181, 1137136), (182, 1130888), (208, 989527), (284, 724724), (286, 719656), (308, 668252), (362, 568568), (364, 565444), (497, 414128), (568, 362362), (572, 359828), (616, 334126), (724, 284284), (728, 282722), (781, 263536), (923, 222992), (994, 207064), (1001, 205616), (1136, 181181), (1144, 179914), (1232, 167063), (1267, 162448), (1448, 142142), (1456, 141361), (1562, 131768), (1846, 111496), (1988, 103532), (1991, 103376), (2002, 102808), (2288, 89957), (2353, 87472), (2534, 81224), (2896, 71071), (3124, 65884), (3692, 55748), (3976, 51766), (3982, 51688), (4004, 51404), (4706, 43736), (5068, 40612), (5467, 37648), (6248, 32942), (6461, 31856), (7384, 27874), (7952, 25883), (7964, 25844), (8008, 25702), (9412, 21868), (10136, 20306), (10153, 20272), (10934, 18824), (12496, 16471), (12851, 16016), (12922, 15928), (13937, 14768)]