207780155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{9421}}^1$

素因数の和:9838

約数の個数: 16

約数和(自身を含む): 272710368

約数和(自身を除く): 64930213

約数列:

[1, 5, 11, 55, 401, 2005, 4411, 9421, 22055, 47105, 103631, 518155, 3777821, 18889105, 41556031, 207780155]

約数ペア:

[(1, 207780155), (5, 41556031), (11, 18889105), (55, 3777821), (401, 518155), (2005, 103631), (4411, 47105), (9421, 22055)]