257130287

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2281}}^1$

素因数の和:2666

約数の個数: 16

約数和(自身を含む): 287532000

約数和(自身を除く): 30401713

約数列:

[1, 17, 19, 323, 349, 2281, 5933, 6631, 38777, 43339, 112727, 736763, 796069, 13533173, 15125311, 257130287]

約数ペア:

[(1, 257130287), (17, 15125311), (19, 13533173), (323, 796069), (349, 736763), (2281, 112727), (5933, 43339), (6631, 38777)]