2192239

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 2695680

約数和(自身を除く): 503441

約数列:

[1, 7, 19, 53, 133, 311, 371, 1007, 2177, 5909, 7049, 16483, 41363, 115381, 313177, 2192239]

約数ペア:

[(1, 2192239), (7, 313177), (19, 115381), (53, 41363), (133, 16483), (311, 7049), (371, 5909), (1007, 2177)]