9953845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2549}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 13219200

約数和(自身を除く): 3265355

約数列:

[1, 5, 11, 55, 71, 355, 781, 2549, 3905, 12745, 28039, 140195, 180979, 904895, 1990769, 9953845]

約数ペア:

[(1, 9953845), (5, 1990769), (11, 904895), (55, 180979), (71, 140195), (355, 28039), (781, 12745), (2549, 3905)]