208839169

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{159541}}^1$

素因数の和:159576

約数の個数: 16

約数和(自身を含む): 275688576

約数和(自身を除く): 66849407

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 159541, 1116787, 1754951, 2712197, 12284657, 18985379, 29834167, 208839169]

約数ペア:

[(1, 208839169), (7, 29834167), (11, 18985379), (17, 12284657), (77, 2712197), (119, 1754951), (187, 1116787), (1309, 159541)]