211314845

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{809}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 307929600

約数和(自身を除く): 96614755

約数列:

[1, 5, 7, 17, 35, 85, 119, 439, 595, 809, 2195, 3073, 4045, 5663, 7463, 13753, 15365, 28315, 37315, 52241, 68765, 96271, 261205, 355151, 481355, 1775755, 2486057, 6037567, 12430285, 30187835, 42262969, 211314845]

約数ペア:

[(1, 211314845), (5, 42262969), (7, 30187835), (17, 12430285), (35, 6037567), (85, 2486057), (119, 1775755), (439, 481355), (595, 355151), (809, 261205), (2195, 96271), (3073, 68765), (4045, 52241), (5663, 37315), (7463, 28315), (13753, 15365)]