128112755

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 156427200

約数和(自身を除く): 28314445

約数列:

[1, 5, 71, 355, 509, 709, 2545, 3545, 36139, 50339, 180695, 251695, 360881, 1804405, 25622551, 128112755]

約数ペア:

[(1, 128112755), (5, 25622551), (71, 1804405), (355, 360881), (509, 251695), (709, 180695), (2545, 50339), (3545, 36139)]