664862105

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{27953}}^1$

素因数の和:28096

約数の個数: 16

約数和(自身を含む): 821176704

約数和(自身を除く): 156314599

約数列:

[1, 5, 67, 71, 335, 355, 4757, 23785, 27953, 139765, 1872851, 1984663, 9364255, 9923315, 132972421, 664862105]

約数ペア:

[(1, 664862105), (5, 132972421), (67, 9923315), (71, 9364255), (335, 1984663), (355, 1872851), (4757, 139765), (23785, 27953)]