1256211089

素因数分解:

$7^3\times {\mathrm{887}}^1\times {\mathrm{4129}}^1$

素因数の和:5037

約数の個数: 16

約数和(自身を含む): 1466976000

約数和(自身を除く): 210764911

約数列:

[1, 7, 49, 343, 887, 4129, 6209, 28903, 43463, 202321, 304241, 1416247, 3662423, 25636961, 179458727, 1256211089]

約数ペア:

[(1, 1256211089), (7, 179458727), (49, 25636961), (343, 3662423), (887, 1416247), (4129, 304241), (6209, 202321), (28903, 43463)]