28209935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10093}}^1$

素因数の和:10154

約数の個数: 16

約数和(自身を含む): 37307424

約数和(自身を除く): 9097489

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 10093, 50465, 131209, 433999, 656045, 2169995, 5641987, 28209935]

約数ペア:

[(1, 28209935), (5, 5641987), (13, 2169995), (43, 656045), (65, 433999), (215, 131209), (559, 50465), (2795, 10093)]