820189445

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{3449}}^1$

素因数の和:3892

約数の個数: 16

約数和(自身を含む): 993600000

約数和(自身を除く): 173410555

約数列:

[1, 5, 199, 239, 995, 1195, 3449, 17245, 47561, 237805, 686351, 824311, 3431755, 4121555, 164037889, 820189445]

約数ペア:

[(1, 820189445), (5, 164037889), (199, 4121555), (239, 3431755), (995, 824311), (1195, 686351), (3449, 237805), (17245, 47561)]