128974909

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{56003}}^1$

素因数の和:56064

約数の個数: 12

約数和(自身を含む): 153226944

約数和(自身を除く): 24252035

約数列:

[1, 7, 47, 49, 329, 2303, 56003, 392021, 2632141, 2744147, 18424987, 128974909]

約数ペア:

[(1, 128974909), (7, 18424987), (47, 2744147), (49, 2632141), (329, 392021), (2303, 56003)]