198121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 16

約数和(自身を含む): 258048

約数和(自身を除く): 59927

約数列:

[1, 7, 11, 31, 77, 83, 217, 341, 581, 913, 2387, 2573, 6391, 18011, 28303, 198121]

約数ペア:

[(1, 198121), (7, 28303), (11, 18011), (31, 6391), (77, 2573), (83, 2387), (217, 913), (341, 581)]