13057681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 17031168

約数和(自身を除く): 3973487

約数列:

[1, 7, 13, 43, 47, 71, 91, 301, 329, 497, 559, 611, 923, 2021, 3053, 3337, 3913, 4277, 6461, 14147, 21371, 23359, 26273, 39689, 43381, 143491, 183911, 277823, 303667, 1004437, 1865383, 13057681]

約数ペア:

[(1, 13057681), (7, 1865383), (13, 1004437), (43, 303667), (47, 277823), (71, 183911), (91, 143491), (301, 43381), (329, 39689), (497, 26273), (559, 23359), (611, 21371), (923, 14147), (2021, 6461), (3053, 4277), (3337, 3913)]