2087013971

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 2553600000

約数和(自身を除く): 466586029

約数列:

[1, 7, 29, 37, 139, 203, 259, 973, 1073, 1999, 4031, 5143, 7511, 13993, 28217, 36001, 57971, 73963, 149147, 277861, 405797, 517741, 1044029, 1945027, 2144927, 8057969, 10280857, 15014489, 56405783, 71965999, 298144853, 2087013971]

約数ペア:

[(1, 2087013971), (7, 298144853), (29, 71965999), (37, 56405783), (139, 15014489), (203, 10280857), (259, 8057969), (973, 2144927), (1073, 1945027), (1999, 1044029), (4031, 517741), (5143, 405797), (7511, 277861), (13993, 149147), (28217, 73963), (36001, 57971)]