13213739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 16713216

約数和(自身を除く): 3499477

約数列:

[1, 7, 11, 71, 77, 497, 781, 2417, 5467, 16919, 26587, 171607, 186109, 1201249, 1887677, 13213739]

約数ペア:

[(1, 13213739), (7, 1887677), (11, 1201249), (71, 186109), (77, 171607), (497, 26587), (781, 16919), (2417, 5467)]