1998908046

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{761}}^1\times {\mathrm{1999}}^1$

素因数の和:2841

約数の個数: 48

約数和(自身を含む): 4398264000

約数和(自身を除く): 2399355954

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 761, 1314, 1522, 1999, 2283, 3998, 4566, 5997, 6849, 11994, 13698, 17991, 35982, 55553, 111106, 145927, 166659, 291854, 333318, 437781, 499977, 875562, 999954, 1313343, 1521239, 2626686, 3042478, 4563717, 9127434, 13691151, 27382302, 111050447, 222100894, 333151341, 666302682, 999454023, 1998908046]

約数ペア:

[(1, 1998908046), (2, 999454023), (3, 666302682), (6, 333151341), (9, 222100894), (18, 111050447), (73, 27382302), (146, 13691151), (219, 9127434), (438, 4563717), (657, 3042478), (761, 2626686), (1314, 1521239), (1522, 1313343), (1999, 999954), (2283, 875562), (3998, 499977), (4566, 437781), (5997, 333318), (6849, 291854), (11994, 166659), (13698, 145927), (17991, 111106), (35982, 55553)]