399486

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:623

約数の個数: 16

約数和(自身を含む): 806400

約数和(自身を除く): 406914

約数列:

[1, 2, 3, 6, 139, 278, 417, 479, 834, 958, 1437, 2874, 66581, 133162, 199743, 399486]

約数ペア:

[(1, 399486), (2, 199743), (3, 133162), (6, 66581), (139, 2874), (278, 1437), (417, 958), (479, 834)]