2787005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 3674160

約数和(自身を除く): 887155

約数列:

[1, 5, 13, 53, 65, 265, 689, 809, 3445, 4045, 10517, 42877, 52585, 214385, 557401, 2787005]

約数ペア:

[(1, 2787005), (5, 557401), (13, 214385), (53, 52585), (65, 42877), (265, 10517), (689, 4045), (809, 3445)]