2021702405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{87881}}^1$

素因数の和:88036

約数の個数: 16

約数和(自身を含む): 2505691584

約数和(自身を除く): 483989179

約数列:

[1, 5, 43, 107, 215, 535, 4601, 23005, 87881, 439405, 3778883, 9403267, 18894415, 47016335, 404340481, 2021702405]

約数ペア:

[(1, 2021702405), (5, 404340481), (43, 47016335), (107, 18894415), (215, 9403267), (535, 3778883), (4601, 439405), (23005, 87881)]