28289704

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{66721}}^1$

素因数の和:66780

約数の個数: 16

約数和(自身を含む): 54044820

約数和(自身を除く): 25755116

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 66721, 133442, 266884, 533768, 3536213, 7072426, 14144852, 28289704]

約数ペア:

[(1, 28289704), (2, 14144852), (4, 7072426), (8, 3536213), (53, 533768), (106, 266884), (212, 133442), (424, 66721)]