1991941

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 2540160

約数和(自身を除く): 548219

約数列:

[1, 7, 17, 19, 119, 133, 323, 881, 2261, 6167, 14977, 16739, 104839, 117173, 284563, 1991941]

約数ペア:

[(1, 1991941), (7, 284563), (17, 117173), (19, 104839), (119, 16739), (133, 14977), (323, 6167), (881, 2261)]