28207638

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{21467}}^1$

素因数の和:21548

約数の個数: 24

約数和(自身を含む): 61956648

約数和(自身を除く): 33749010

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 21467, 42934, 64401, 128802, 193203, 386406, 1567091, 3134182, 4701273, 9402546, 14103819, 28207638]

約数ペア:

[(1, 28207638), (2, 14103819), (3, 9402546), (6, 4701273), (9, 3134182), (18, 1567091), (73, 386406), (146, 193203), (219, 128802), (438, 64401), (657, 42934), (1314, 21467)]