210440188

素因数分解:

$2^2\times 7^1\times {\mathrm{7515721}}^1$

素因数の和:7515732

約数の個数: 12

約数和(自身を含む): 420880432

約数和(自身を除く): 210440244

約数列:

[1, 2, 4, 7, 14, 28, 7515721, 15031442, 30062884, 52610047, 105220094, 210440188]

約数ペア:

[(1, 210440188), (2, 105220094), (4, 52610047), (7, 30062884), (14, 15031442), (28, 7515721)]