201386885

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81041}}^1$

素因数の和:81124

約数の個数: 16

約数和(自身を含む): 280081152

約数和(自身を除く): 78694267

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 81041, 405205, 567287, 2836435, 5753911, 28769555, 40277377, 201386885]

約数ペア:

[(1, 201386885), (5, 40277377), (7, 28769555), (35, 5753911), (71, 2836435), (355, 567287), (497, 405205), (2485, 81041)]