85520281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{15643}}^1$

素因数の和:15732

約数の個数: 16

約数和(自身を含む): 108131328

約数和(自身を除く): 22611047

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 15643, 109501, 172073, 1110653, 1204511, 7774571, 12217183, 85520281]

約数ペア:

[(1, 85520281), (7, 12217183), (11, 7774571), (71, 1204511), (77, 1110653), (497, 172073), (781, 109501), (5467, 15643)]