81718895

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{2939}}^1$

素因数の和:3094

約数の個数: 16

約数和(自身を含む): 100759680

約数和(自身を除く): 19040785

約数列:

[1, 5, 67, 83, 335, 415, 2939, 5561, 14695, 27805, 196913, 243937, 984565, 1219685, 16343779, 81718895]

約数ペア:

[(1, 81718895), (5, 16343779), (67, 1219685), (83, 984565), (335, 243937), (415, 196913), (2939, 27805), (5561, 14695)]