39213290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28211}}^1$

素因数の和:28357

約数の個数: 16

約数和(自身を含む): 71094240

約数和(自身を除く): 31880950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 28211, 56422, 141055, 282110, 3921329, 7842658, 19606645, 39213290]

約数ペア:

[(1, 39213290), (2, 19606645), (5, 7842658), (10, 3921329), (139, 282110), (278, 141055), (695, 56422), (1390, 28211)]