209715247

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{929}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 259536960

約数和(自身を除く): 49821713

約数列:

[1, 7, 17, 49, 119, 271, 833, 929, 1897, 4607, 6503, 13279, 15793, 32249, 45521, 110551, 225743, 251759, 773857, 1762313, 4279903, 12336191, 29959321, 209715247]

約数ペア:

[(1, 209715247), (7, 29959321), (17, 12336191), (49, 4279903), (119, 1762313), (271, 773857), (833, 251759), (929, 225743), (1897, 110551), (4607, 45521), (6503, 32249), (13279, 15793)]