51404416

素因数分解:

$2^7\times 7^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 118385280

約数和(自身を除く): 66980864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 412, 448, 557, 721, 824, 896, 1114, 1442, 1648, 2228, 2884, 3296, 3899, 4456, 5768, 6592, 7798, 8912, 11536, 13184, 15596, 17824, 23072, 31192, 35648, 46144, 57371, 62384, 71296, 92288, 114742, 124768, 229484, 249536, 401597, 458968, 499072, 803194, 917936, 1606388, 1835872, 3212776, 3671744, 6425552, 7343488, 12851104, 25702208, 51404416]

約数ペア:

[(1, 51404416), (2, 25702208), (4, 12851104), (7, 7343488), (8, 6425552), (14, 3671744), (16, 3212776), (28, 1835872), (32, 1606388), (56, 917936), (64, 803194), (103, 499072), (112, 458968), (128, 401597), (206, 249536), (224, 229484), (412, 124768), (448, 114742), (557, 92288), (721, 71296), (824, 62384), (896, 57371), (1114, 46144), (1442, 35648), (1648, 31192), (2228, 23072), (2884, 17824), (3296, 15596), (3899, 13184), (4456, 11536), (5768, 8912), (6592, 7798)]