28729981

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 34151040

約数和(自身を除く): 5421059

約数列:

[1, 7, 29, 203, 307, 461, 2149, 3227, 8903, 13369, 62321, 93583, 141527, 990689, 4104283, 28729981]

約数ペア:

[(1, 28729981), (7, 4104283), (29, 990689), (203, 141527), (307, 93583), (461, 62321), (2149, 13369), (3227, 8903)]