638004508

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{653}}^1\times {\mathrm{5197}}^1$

素因数の和:5901

約数の個数: 24

約数和(自身を含む): 1142229312

約数和(自身を除く): 504224804

約数列:

[1, 2, 4, 47, 94, 188, 653, 1306, 2612, 5197, 10394, 20788, 30691, 61382, 122764, 244259, 488518, 977036, 3393641, 6787282, 13574564, 159501127, 319002254, 638004508]

約数ペア:

[(1, 638004508), (2, 319002254), (4, 159501127), (47, 13574564), (94, 6787282), (188, 3393641), (653, 977036), (1306, 488518), (2612, 244259), (5197, 122764), (10394, 61382), (20788, 30691)]