12709645

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 20

約数和(自身を含む): 16708140

約数和(自身を除く): 3998495

約数列:

[1, 5, 13, 65, 89, 169, 445, 845, 1157, 2197, 5785, 10985, 15041, 28561, 75205, 142805, 195533, 977665, 2541929, 12709645]

約数ペア:

[(1, 12709645), (5, 2541929), (13, 977665), (65, 195533), (89, 142805), (169, 75205), (445, 28561), (845, 15041), (1157, 10985), (2197, 5785)]