289301999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 363916800

約数和(自身を除く): 74614801

約数列:

[1, 7, 19, 29, 107, 133, 203, 551, 701, 749, 2033, 3103, 3857, 4907, 13319, 14231, 20329, 21721, 58957, 75007, 93233, 142303, 386251, 412699, 525049, 1425133, 2175203, 2703757, 9975931, 15226421, 41328857, 289301999]

約数ペア:

[(1, 289301999), (7, 41328857), (19, 15226421), (29, 9975931), (107, 2703757), (133, 2175203), (203, 1425133), (551, 525049), (701, 412699), (749, 386251), (2033, 142303), (3103, 93233), (3857, 75007), (4907, 58957), (13319, 21721), (14231, 20329)]