209658239

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{22469}}^1$

素因数の和:22550

約数の個数: 16

約数和(自身を含む): 253102080

約数和(自身を除く): 43443841

約数列:

[1, 7, 31, 43, 217, 301, 1333, 9331, 22469, 157283, 696539, 966167, 4875773, 6763169, 29951177, 209658239]

約数ペア:

[(1, 209658239), (7, 29951177), (31, 6763169), (43, 4875773), (217, 966167), (301, 696539), (1333, 157283), (9331, 22469)]