13979119

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2646

約数の個数: 16

約数和(自身を含む): 17680896

約数和(自身を除く): 3701777

約数列:

[1, 7, 11, 71, 77, 497, 781, 2557, 5467, 17899, 28127, 181547, 196889, 1270829, 1997017, 13979119]

約数ペア:

[(1, 13979119), (7, 1997017), (11, 1270829), (71, 196889), (77, 181547), (497, 28127), (781, 17899), (2557, 5467)]