217422268

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{42901}}^1$

素因数の和:43093

約数の個数: 24

約数和(自身を含む): 437257184

約数和(自身を除く): 219834916

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 42901, 85802, 171604, 300307, 600614, 1201228, 7765081, 15530162, 31060324, 54355567, 108711134, 217422268]

約数ペア:

[(1, 217422268), (2, 108711134), (4, 54355567), (7, 31060324), (14, 15530162), (28, 7765081), (181, 1201228), (362, 600614), (724, 300307), (1267, 171604), (2534, 85802), (5068, 42901)]