12785423

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 16197120

約数和(自身を除く): 3411697

約数列:

[1, 7, 19, 31, 49, 133, 217, 443, 589, 931, 1519, 3101, 4123, 8417, 13733, 21707, 28861, 58919, 96131, 260927, 412433, 672917, 1826489, 12785423]

約数ペア:

[(1, 12785423), (7, 1826489), (19, 672917), (31, 412433), (49, 260927), (133, 96131), (217, 58919), (443, 28861), (589, 21707), (931, 13733), (1519, 8417), (3101, 4123)]