28120147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 31680000

約数和(自身を除く): 3559853

約数列:

[1, 11, 47, 109, 499, 517, 1199, 5123, 5489, 23453, 54391, 56353, 257983, 598301, 2556377, 28120147]

約数ペア:

[(1, 28120147), (11, 2556377), (47, 598301), (109, 257983), (499, 56353), (517, 54391), (1199, 23453), (5123, 5489)]