217997584

素因数分解:

$2^4\times 7^1\times {\mathrm{1946407}}^1$

素因数の和:1946422

約数の個数: 20

約数和(自身を含む): 482709184

約数和(自身を除く): 264711600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1946407, 3892814, 7785628, 13624849, 15571256, 27249698, 31142512, 54499396, 108998792, 217997584]

約数ペア:

[(1, 217997584), (2, 108998792), (4, 54499396), (7, 31142512), (8, 27249698), (14, 15571256), (16, 13624849), (28, 7785628), (56, 3892814), (112, 1946407)]