16401644

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{911}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 32890368

約数和(自身を除く): 16488724

約数列:

[1, 2, 4, 7, 14, 28, 643, 911, 1286, 1822, 2572, 3644, 4501, 6377, 9002, 12754, 18004, 25508, 585773, 1171546, 2343092, 4100411, 8200822, 16401644]

約数ペア:

[(1, 16401644), (2, 8200822), (4, 4100411), (7, 2343092), (14, 1171546), (28, 585773), (643, 25508), (911, 18004), (1286, 12754), (1822, 9002), (2572, 6377), (3644, 4501)]