26886209

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 31850496

約数和(自身を除く): 4964287

約数列:

[1, 7, 47, 71, 329, 497, 1151, 3337, 8057, 23359, 54097, 81721, 378679, 572047, 3840887, 26886209]

約数ペア:

[(1, 26886209), (7, 3840887), (47, 572047), (71, 378679), (329, 81721), (497, 54097), (1151, 23359), (3337, 8057)]