77688490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{5081}}^1$

素因数の和:5238

約数の個数: 32

約数和(自身を含む): 153679680

約数和(自身を除く): 75991190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 5081, 7645, 10162, 15290, 25405, 50810, 55891, 111782, 279455, 558910, 706259, 1412518, 3531295, 7062590, 7768849, 15537698, 38844245, 77688490]

約数ペア:

[(1, 77688490), (2, 38844245), (5, 15537698), (10, 7768849), (11, 7062590), (22, 3531295), (55, 1412518), (110, 706259), (139, 558910), (278, 279455), (695, 111782), (1390, 55891), (1529, 50810), (3058, 25405), (5081, 15290), (7645, 10162)]