206988656

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 474969600

約数和(自身を除く): 267980944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 199, 251, 259, 296, 398, 502, 518, 592, 796, 1004, 1036, 1393, 1592, 1757, 2008, 2072, 2786, 3184, 3514, 4016, 4144, 5572, 7028, 7363, 9287, 11144, 14056, 14726, 18574, 22288, 28112, 29452, 37148, 49949, 51541, 58904, 65009, 74296, 99898, 103082, 117808, 130018, 148592, 199796, 206164, 260036, 349643, 399592, 412328, 520072, 699286, 799184, 824656, 1040144, 1398572, 1848113, 2797144, 3696226, 5594288, 7392452, 12936791, 14784904, 25873582, 29569808, 51747164, 103494328, 206988656]

約数ペア:

[(1, 206988656), (2, 103494328), (4, 51747164), (7, 29569808), (8, 25873582), (14, 14784904), (16, 12936791), (28, 7392452), (37, 5594288), (56, 3696226), (74, 2797144), (112, 1848113), (148, 1398572), (199, 1040144), (251, 824656), (259, 799184), (296, 699286), (398, 520072), (502, 412328), (518, 399592), (592, 349643), (796, 260036), (1004, 206164), (1036, 199796), (1393, 148592), (1592, 130018), (1757, 117808), (2008, 103082), (2072, 99898), (2786, 74296), (3184, 65009), (3514, 58904), (4016, 51541), (4144, 49949), (5572, 37148), (7028, 29452), (7363, 28112), (9287, 22288), (11144, 18574), (14056, 14726)]