856554410

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{4057}}^1$

素因数の和:4598

約数の個数: 32

約数和(自身を含む): 1581256512

約数和(自身を除く): 724702102

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 491, 982, 2455, 4057, 4910, 8114, 20285, 21113, 40570, 42226, 105565, 174451, 211130, 348902, 872255, 1744510, 1991987, 3983974, 9959935, 19919870, 85655441, 171310882, 428277205, 856554410]

約数ペア:

[(1, 856554410), (2, 428277205), (5, 171310882), (10, 85655441), (43, 19919870), (86, 9959935), (215, 3983974), (430, 1991987), (491, 1744510), (982, 872255), (2455, 348902), (4057, 211130), (4910, 174451), (8114, 105565), (20285, 42226), (21113, 40570)]