27988631

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 32749920

約数和(自身を除く): 4761289

約数列:

[1, 11, 23, 89, 113, 121, 253, 979, 1243, 2047, 2599, 2783, 10057, 10769, 13673, 22517, 28589, 110627, 231311, 247687, 314479, 1216897, 2544421, 27988631]

約数ペア:

[(1, 27988631), (11, 2544421), (23, 1216897), (89, 314479), (113, 247687), (121, 231311), (253, 110627), (979, 28589), (1243, 22517), (2047, 13673), (2599, 10769), (2783, 10057)]