2016391181

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 2386944000

約数和(自身を除く): 370552819

約数列:

[1, 7, 73, 79, 199, 251, 511, 553, 1393, 1757, 5767, 14527, 15721, 18323, 19829, 40369, 49949, 101689, 110047, 128261, 138803, 349643, 1147633, 1447517, 3646277, 3945971, 8033431, 10132619, 25523939, 27621797, 288055883, 2016391181]

約数ペア:

[(1, 2016391181), (7, 288055883), (73, 27621797), (79, 25523939), (199, 10132619), (251, 8033431), (511, 3945971), (553, 3646277), (1393, 1447517), (1757, 1147633), (5767, 349643), (14527, 138803), (15721, 128261), (18323, 110047), (19829, 101689), (40369, 49949)]