217996912

素因数分解:

$2^4\times 7^1\times {\mathrm{1946401}}^1$

素因数の和:1946416

約数の個数: 20

約数和(自身を含む): 482707696

約数和(自身を除く): 264710784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1946401, 3892802, 7785604, 13624807, 15571208, 27249614, 31142416, 54499228, 108998456, 217996912]

約数ペア:

[(1, 217996912), (2, 108998456), (4, 54499228), (7, 31142416), (8, 27249614), (14, 15571208), (16, 13624807), (28, 7785604), (56, 3892802), (112, 1946401)]