66991265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{6311}}^1$

素因数の和:6520

約数の個数: 16

約数和(自身を含む): 88166016

約数和(自身を除く): 21174751

約数列:

[1, 5, 11, 55, 193, 965, 2123, 6311, 10615, 31555, 69421, 347105, 1218023, 6090115, 13398253, 66991265]

約数ペア:

[(1, 66991265), (5, 13398253), (11, 6090115), (55, 1218023), (193, 347105), (965, 69421), (2123, 31555), (6311, 10615)]