12989876

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 23514624

約数和(自身を除く): 10524748

約数列:

[1, 2, 4, 53, 71, 106, 142, 212, 284, 863, 1726, 3452, 3763, 7526, 15052, 45739, 61273, 91478, 122546, 182956, 245092, 3247469, 6494938, 12989876]

約数ペア:

[(1, 12989876), (2, 6494938), (4, 3247469), (53, 245092), (71, 182956), (106, 122546), (142, 91478), (212, 61273), (284, 45739), (863, 15052), (1726, 7526), (3452, 3763)]