198144499

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{1381}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 229964800

約数和(自身を除く): 31820301

約数列:

[1, 7, 103, 199, 721, 1381, 1393, 9667, 20497, 142243, 143479, 274819, 995701, 1923733, 28306357, 198144499]

約数ペア:

[(1, 198144499), (7, 28306357), (103, 1923733), (199, 995701), (721, 274819), (1381, 143479), (1393, 142243), (9667, 20497)]