664457915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{27271}}^1$

素因数の和:27730

約数の個数: 16

約数和(自身を含む): 871831296

約数和(自身を除く): 207373381

約数列:

[1, 5, 11, 55, 443, 2215, 4873, 24365, 27271, 136355, 299981, 1499905, 12081053, 60405265, 132891583, 664457915]

約数ペア:

[(1, 664457915), (5, 132891583), (11, 60405265), (55, 12081053), (443, 1499905), (2215, 299981), (4873, 136355), (24365, 27271)]