139291490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{82421}}^1$

素因数の和:82454

約数の個数: 24

約数和(自身を含む): 271498068

約数和(自身を除く): 132206578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 82421, 164842, 412105, 824210, 1071473, 2142946, 5357365, 10714730, 13929149, 27858298, 69645745, 139291490]

約数ペア:

[(1, 139291490), (2, 69645745), (5, 27858298), (10, 13929149), (13, 10714730), (26, 5357365), (65, 2142946), (130, 1071473), (169, 824210), (338, 412105), (845, 164842), (1690, 82421)]