39955993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 14234087

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 589, 881, 1463, 2387, 4123, 6167, 6479, 9691, 16739, 27311, 45353, 67837, 117173, 184129, 191177, 300421, 518909, 1288903, 2102947, 3632363, 5707999, 39955993]

約数ペア:

[(1, 39955993), (7, 5707999), (11, 3632363), (19, 2102947), (31, 1288903), (77, 518909), (133, 300421), (209, 191177), (217, 184129), (341, 117173), (589, 67837), (881, 45353), (1463, 27311), (2387, 16739), (4123, 9691), (6167, 6479)]