209099009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{26647}}^1$

素因数の和:26732

約数の個数: 16

約数和(自身を含む): 255820800

約数和(自身を除く): 46721791

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 26647, 186529, 506293, 1572173, 3544051, 11005211, 29871287, 209099009]

約数ペア:

[(1, 209099009), (7, 29871287), (19, 11005211), (59, 3544051), (133, 1572173), (413, 506293), (1121, 186529), (7847, 26647)]