13938290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15661}}^1$

素因数の和:15757

約数の個数: 16

約数和(自身を含む): 25372440

約数和(自身を除く): 11434150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 15661, 31322, 78305, 156610, 1393829, 2787658, 6969145, 13938290]

約数ペア:

[(1, 13938290), (2, 6969145), (5, 2787658), (10, 1393829), (89, 156610), (178, 78305), (445, 31322), (890, 15661)]