11721689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 14561280

約数和(自身を除く): 2839591

約数列:

[1, 7, 19, 31, 133, 217, 589, 2843, 4123, 19901, 54017, 88133, 378119, 616931, 1674527, 11721689]

約数ペア:

[(1, 11721689), (7, 1674527), (19, 616931), (31, 378119), (133, 88133), (217, 54017), (589, 19901), (2843, 4123)]