211085728

素因数分解:

$2^5\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 72

約数和(自身を含む): 488490912

約数和(自身を除く): 277405184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 103, 112, 196, 206, 224, 392, 412, 721, 784, 824, 1307, 1442, 1568, 1648, 2614, 2884, 3296, 5047, 5228, 5768, 9149, 10094, 10456, 11536, 18298, 20188, 20912, 23072, 36596, 40376, 41824, 64043, 73192, 80752, 128086, 134621, 146384, 161504, 256172, 269242, 292768, 512344, 538484, 942347, 1024688, 1076968, 1884694, 2049376, 2153936, 3769388, 4307872, 6596429, 7538776, 13192858, 15077552, 26385716, 30155104, 52771432, 105542864, 211085728]

約数ペア:

[(1, 211085728), (2, 105542864), (4, 52771432), (7, 30155104), (8, 26385716), (14, 15077552), (16, 13192858), (28, 7538776), (32, 6596429), (49, 4307872), (56, 3769388), (98, 2153936), (103, 2049376), (112, 1884694), (196, 1076968), (206, 1024688), (224, 942347), (392, 538484), (412, 512344), (721, 292768), (784, 269242), (824, 256172), (1307, 161504), (1442, 146384), (1568, 134621), (1648, 128086), (2614, 80752), (2884, 73192), (3296, 64043), (5047, 41824), (5228, 40376), (5768, 36596), (9149, 23072), (10094, 20912), (10456, 20188), (11536, 18298)]