7771988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2124

約数の個数: 36

約数和(自身を含む): 16662240

約数和(自身を除く): 8890252

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 2087, 3724, 4174, 8348, 14609, 29218, 39653, 58436, 79306, 102263, 158612, 204526, 277571, 409052, 555142, 1110284, 1942997, 3885994, 7771988]

約数ペア:

[(1, 7771988), (2, 3885994), (4, 1942997), (7, 1110284), (14, 555142), (19, 409052), (28, 277571), (38, 204526), (49, 158612), (76, 102263), (98, 79306), (133, 58436), (196, 39653), (266, 29218), (532, 14609), (931, 8348), (1862, 4174), (2087, 3724)]