28558691

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 36545280

約数和(自身を除く): 7986589

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 743, 2023, 2261, 5201, 5491, 12631, 14117, 38437, 88417, 98819, 214727, 239989, 1503089, 1679923, 4079813, 28558691]

約数ペア:

[(1, 28558691), (7, 4079813), (17, 1679923), (19, 1503089), (119, 239989), (133, 214727), (289, 98819), (323, 88417), (743, 38437), (2023, 14117), (2261, 12631), (5201, 5491)]