28706249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 5223031

約数列:

[1, 11, 13, 143, 197, 1019, 2167, 2561, 11209, 13247, 28171, 145717, 200743, 2208173, 2609659, 28706249]

約数ペア:

[(1, 28706249), (11, 2609659), (13, 2208173), (143, 200743), (197, 145717), (1019, 28171), (2167, 13247), (2561, 11209)]