685722032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{996689}}^1$

素因数の和:996740

約数の個数: 20

約数和(自身を含む): 1359485160

約数和(自身を除く): 673763128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 996689, 1993378, 3986756, 7973512, 15947024, 42857627, 85715254, 171430508, 342861016, 685722032]

約数ペア:

[(1, 685722032), (2, 342861016), (4, 171430508), (8, 85715254), (16, 42857627), (43, 15947024), (86, 7973512), (172, 3986756), (344, 1993378), (688, 996689)]