51312128

素因数分解:

$2^9\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 80

約数和(自身を含む): 119159040

約数和(自身を除く): 67846912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 139, 206, 224, 256, 278, 412, 448, 512, 556, 721, 824, 896, 973, 1112, 1442, 1648, 1792, 1946, 2224, 2884, 3296, 3584, 3892, 4448, 5768, 6592, 7784, 8896, 11536, 13184, 14317, 15568, 17792, 23072, 26368, 28634, 31136, 35584, 46144, 52736, 57268, 62272, 71168, 92288, 100219, 114536, 124544, 184576, 200438, 229072, 249088, 369152, 400876, 458144, 498176, 801752, 916288, 1603504, 1832576, 3207008, 3665152, 6414016, 7330304, 12828032, 25656064, 51312128]

約数ペア:

[(1, 51312128), (2, 25656064), (4, 12828032), (7, 7330304), (8, 6414016), (14, 3665152), (16, 3207008), (28, 1832576), (32, 1603504), (56, 916288), (64, 801752), (103, 498176), (112, 458144), (128, 400876), (139, 369152), (206, 249088), (224, 229072), (256, 200438), (278, 184576), (412, 124544), (448, 114536), (512, 100219), (556, 92288), (721, 71168), (824, 62272), (896, 57268), (973, 52736), (1112, 46144), (1442, 35584), (1648, 31136), (1792, 28634), (1946, 26368), (2224, 23072), (2884, 17792), (3296, 15568), (3584, 14317), (3892, 13184), (4448, 11536), (5768, 8896), (6592, 7784)]