199980319

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{53003}}^1$

素因数の和:53035

約数の個数: 16

約数和(自身を含む): 254419200

約数和(自身を除く): 54438881

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 53003, 371021, 583033, 2597147, 4081231, 18180029, 28568617, 199980319]

約数ペア:

[(1, 199980319), (7, 28568617), (11, 18180029), (49, 4081231), (77, 2597147), (343, 583033), (539, 371021), (3773, 53003)]