12181372

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 24442880

約数和(自身を除く): 12261508

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 991, 1756, 1982, 3073, 3964, 6146, 6937, 12292, 13874, 27748, 435049, 870098, 1740196, 3045343, 6090686, 12181372]

約数ペア:

[(1, 12181372), (2, 6090686), (4, 3045343), (7, 1740196), (14, 870098), (28, 435049), (439, 27748), (878, 13874), (991, 12292), (1756, 6937), (1982, 6146), (3073, 3964)]