8717989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 10490112

約数和(自身を除く): 1772123

約数列:

[1, 7, 23, 161, 173, 313, 1211, 2191, 3979, 7199, 27853, 50393, 54149, 379043, 1245427, 8717989]

約数ペア:

[(1, 8717989), (7, 1245427), (23, 379043), (161, 54149), (173, 50393), (313, 27853), (1211, 7199), (2191, 3979)]