1986242881

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{68821}}^1$

素因数の和:68885

約数の個数: 24

約数和(自身を含む): 2510626560

約数和(自身を除く): 524383679

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1519, 4123, 28861, 68821, 481747, 1307599, 2133451, 3372229, 9153193, 14934157, 40535569, 64072351, 104539099, 283748983, 1986242881]

約数ペア:

[(1, 1986242881), (7, 283748983), (19, 104539099), (31, 64072351), (49, 40535569), (133, 14934157), (217, 9153193), (589, 3372229), (931, 2133451), (1519, 1307599), (4123, 481747), (28861, 68821)]