987331385

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{20593}}^1$

素因数の和:20864

約数の個数: 16

約数和(自身を含む): 1217846784

約数和(自身を除く): 230515399

約数列:

[1, 5, 43, 215, 223, 1115, 9589, 20593, 47945, 102965, 885499, 4427495, 4592239, 22961195, 197466277, 987331385]

約数ペア:

[(1, 987331385), (5, 197466277), (43, 22961195), (215, 4592239), (223, 4427495), (1115, 885499), (9589, 102965), (20593, 47945)]