25880554

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4391}}^1$

素因数の和:4821

約数の個数: 16

約数和(自身を含む): 44482176

約数和(自身を除く): 18601622

約数列:

[1, 2, 7, 14, 421, 842, 2947, 4391, 5894, 8782, 30737, 61474, 1848611, 3697222, 12940277, 25880554]

約数ペア:

[(1, 25880554), (2, 12940277), (7, 3697222), (14, 1848611), (421, 61474), (842, 30737), (2947, 8782), (4391, 5894)]