399801252

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{239689}}^1$

素因数の和:239835

約数の個数: 24

約数和(自身を含む): 939584800

約数和(自身を除く): 539783548

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 239689, 479378, 719067, 958756, 1438134, 2876268, 33316771, 66633542, 99950313, 133267084, 199900626, 399801252]

約数ペア:

[(1, 399801252), (2, 199900626), (3, 133267084), (4, 99950313), (6, 66633542), (12, 33316771), (139, 2876268), (278, 1438134), (417, 958756), (556, 719067), (834, 479378), (1668, 239689)]