26781391

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{42043}}^1$

素因数の和:42070

約数の個数: 12

約数和(自身を含む): 33551112

約数和(自身を除く): 6769721

約数列:

[1, 7, 13, 49, 91, 637, 42043, 294301, 546559, 2060107, 3825913, 26781391]

約数ペア:

[(1, 26781391), (7, 3825913), (13, 2060107), (49, 546559), (91, 294301), (637, 42043)]