28085988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 75245184

約数和(自身を除く): 47159196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 1028, 1301, 1542, 1799, 2602, 3084, 3598, 3903, 5204, 5397, 7196, 7806, 9107, 10794, 15612, 18214, 21588, 27321, 36428, 54642, 109284, 334357, 668714, 1003071, 1337428, 2006142, 2340499, 4012284, 4680998, 7021497, 9361996, 14042994, 28085988]

約数ペア:

[(1, 28085988), (2, 14042994), (3, 9361996), (4, 7021497), (6, 4680998), (7, 4012284), (12, 2340499), (14, 2006142), (21, 1337428), (28, 1003071), (42, 668714), (84, 334357), (257, 109284), (514, 54642), (771, 36428), (1028, 27321), (1301, 21588), (1542, 18214), (1799, 15612), (2602, 10794), (3084, 9107), (3598, 7806), (3903, 7196), (5204, 5397)]