28026878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{4957}}^1$

素因数の和:5227

約数の個数: 16

約数和(自身を含む): 46049904

約数和(自身を除く): 18023026

約数列:

[1, 2, 11, 22, 257, 514, 2827, 4957, 5654, 9914, 54527, 109054, 1273949, 2547898, 14013439, 28026878]

約数ペア:

[(1, 28026878), (2, 14013439), (11, 2547898), (22, 1273949), (257, 109054), (514, 54527), (2827, 9914), (4957, 5654)]