12789745

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 15921360

約数和(自身を除く): 3131615

約数列:

[1, 5, 41, 89, 205, 445, 701, 3505, 3649, 18245, 28741, 62389, 143705, 311945, 2557949, 12789745]

約数ペア:

[(1, 12789745), (5, 2557949), (41, 311945), (89, 143705), (205, 62389), (445, 28741), (701, 18245), (3505, 3649)]