42820085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{10111}}^1$

素因数の和:10145

約数の個数: 24

約数和(自身を含む): 64555008

約数和(自身を除く): 21734923

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 10111, 50555, 70777, 111221, 353885, 556105, 778547, 1223431, 3892735, 6117155, 8564017, 42820085]

約数ペア:

[(1, 42820085), (5, 8564017), (7, 6117155), (11, 3892735), (35, 1223431), (55, 778547), (77, 556105), (121, 353885), (385, 111221), (605, 70777), (847, 50555), (4235, 10111)]