81471290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{15401}}^1$

素因数の和:15454

約数の個数: 24

約数和(自身を含む): 153311508

約数和(自身を除く): 71840218

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 5290, 15401, 30802, 77005, 154010, 354223, 708446, 1771115, 3542230, 8147129, 16294258, 40735645, 81471290]

約数ペア:

[(1, 81471290), (2, 40735645), (5, 16294258), (10, 8147129), (23, 3542230), (46, 1771115), (115, 708446), (230, 354223), (529, 154010), (1058, 77005), (2645, 30802), (5290, 15401)]