12481985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 15724800

約数和(自身を除く): 3242815

約数列:

[1, 5, 23, 115, 311, 349, 1555, 1745, 7153, 8027, 35765, 40135, 108539, 542695, 2496397, 12481985]

約数ペア:

[(1, 12481985), (5, 2496397), (23, 542695), (115, 108539), (311, 40135), (349, 35765), (1555, 8027), (1745, 7153)]