200421782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{128311}}^1$

素因数の和:128395

約数の個数: 16

約数和(自身を含む): 332584704

約数和(自身を除く): 132162922

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 128311, 256622, 1411421, 2822842, 9110081, 18220162, 100210891, 200421782]

約数ペア:

[(1, 200421782), (2, 100210891), (11, 18220162), (22, 9110081), (71, 2822842), (142, 1411421), (781, 256622), (1562, 128311)]