28229509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 35392896

約数和(自身を除く): 7163387

約数列:

[1, 7, 11, 77, 197, 1379, 1861, 2167, 13027, 15169, 20471, 143297, 366617, 2566319, 4032787, 28229509]

約数ペア:

[(1, 28229509), (7, 4032787), (11, 2566319), (77, 366617), (197, 143297), (1379, 20471), (1861, 15169), (2167, 13027)]