16331945

素因数分解:

$5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 23328000

約数和(自身を除く): 6996055

約数列:

[1, 5, 7, 35, 49, 89, 107, 245, 343, 445, 535, 623, 749, 1715, 3115, 3745, 4361, 5243, 9523, 21805, 26215, 30527, 36701, 47615, 66661, 152635, 183505, 333305, 466627, 2333135, 3266389, 16331945]

約数ペア:

[(1, 16331945), (5, 3266389), (7, 2333135), (35, 466627), (49, 333305), (89, 183505), (107, 152635), (245, 66661), (343, 47615), (445, 36701), (535, 30527), (623, 26215), (749, 21805), (1715, 9523), (3115, 5243), (3745, 4361)]