25878222

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{20249}}^1$

素因数の和:20328

約数の個数: 24

約数和(自身を含む): 56862000

約数和(自身を除く): 30983778

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 20249, 40498, 60747, 121494, 182241, 364482, 1437679, 2875358, 4313037, 8626074, 12939111, 25878222]

約数ペア:

[(1, 25878222), (2, 12939111), (3, 8626074), (6, 4313037), (9, 2875358), (18, 1437679), (71, 364482), (142, 182241), (213, 121494), (426, 60747), (639, 40498), (1278, 20249)]