78894277

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{14431}}^1$

素因数の和:14520

約数の個数: 16

約数和(自身を含む): 99753984

約数和(自身を除く): 20859707

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 14431, 101017, 158741, 1024601, 1111187, 7172207, 11270611, 78894277]

約数ペア:

[(1, 78894277), (7, 11270611), (11, 7172207), (71, 1111187), (77, 1024601), (497, 158741), (781, 101017), (5467, 14431)]