251137999

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{12011}}^1$

素因数の和:12150

約数の個数: 16

約数和(自身を含む): 299819520

約数和(自身を除く): 48681521

約数列:

[1, 7, 29, 103, 203, 721, 2987, 12011, 20909, 84077, 348319, 1237133, 2438233, 8659931, 35876857, 251137999]

約数ペア:

[(1, 251137999), (7, 35876857), (29, 8659931), (103, 2438233), (203, 1237133), (721, 348319), (2987, 84077), (12011, 20909)]