278547342

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{28429}}^1$

素因数の和:28528

約数の個数: 32

約数和(自身を含む): 589524480

約数和(自身を除く): 310977138

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 3266, 4899, 9798, 28429, 56858, 85287, 170574, 653867, 1307734, 1961601, 2018459, 3923202, 4036918, 6055377, 12110754, 46424557, 92849114, 139273671, 278547342]

約数ペア:

[(1, 278547342), (2, 139273671), (3, 92849114), (6, 46424557), (23, 12110754), (46, 6055377), (69, 4036918), (71, 3923202), (138, 2018459), (142, 1961601), (213, 1307734), (426, 653867), (1633, 170574), (3266, 85287), (4899, 56858), (9798, 28429)]