440482021

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{20021}}^1$

素因数の和:20484

約数の個数: 12

約数和(自身を含む): 513564300

約数和(自身を除く): 73082279

約数列:

[1, 7, 49, 449, 3143, 20021, 22001, 140147, 981029, 8989429, 62926003, 440482021]

約数ペア:

[(1, 440482021), (7, 62926003), (49, 8989429), (449, 981029), (3143, 140147), (20021, 22001)]