27679904

素因数分解:

$2^5\times 7^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 36670816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 127, 139, 196, 224, 254, 278, 392, 508, 556, 784, 889, 973, 1016, 1112, 1568, 1778, 1946, 2032, 2224, 3556, 3892, 4064, 4448, 6223, 6811, 7112, 7784, 12446, 13622, 14224, 15568, 17653, 24892, 27244, 28448, 31136, 35306, 49784, 54488, 70612, 99568, 108976, 123571, 141224, 199136, 217952, 247142, 282448, 494284, 564896, 864997, 988568, 1729994, 1977136, 3459988, 3954272, 6919976, 13839952, 27679904]

約数ペア:

[(1, 27679904), (2, 13839952), (4, 6919976), (7, 3954272), (8, 3459988), (14, 1977136), (16, 1729994), (28, 988568), (32, 864997), (49, 564896), (56, 494284), (98, 282448), (112, 247142), (127, 217952), (139, 199136), (196, 141224), (224, 123571), (254, 108976), (278, 99568), (392, 70612), (508, 54488), (556, 49784), (784, 35306), (889, 31136), (973, 28448), (1016, 27244), (1112, 24892), (1568, 17653), (1778, 15568), (1946, 14224), (2032, 13622), (2224, 12446), (3556, 7784), (3892, 7112), (4064, 6811), (4448, 6223)]