870824836

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{661721}}^1$

素因数の和:661779

約数の個数: 24

約数和(自身を含む): 1778708736

約数和(自身を除く): 907883900

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 661721, 1323442, 2646884, 4632047, 9264094, 18528188, 31100887, 62201774, 124403548, 217706209, 435412418, 870824836]

約数ペア:

[(1, 870824836), (2, 435412418), (4, 217706209), (7, 124403548), (14, 62201774), (28, 31100887), (47, 18528188), (94, 9264094), (188, 4632047), (329, 2646884), (658, 1323442), (1316, 661721)]