51238458

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{20479}}^1$

素因数の和:20626

約数の個数: 24

約数和(自身を含む): 111820800

約数和(自身を除く): 60582342

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 20479, 40958, 61437, 122874, 184311, 368622, 2846581, 5693162, 8539743, 17079486, 25619229, 51238458]

約数ペア:

[(1, 51238458), (2, 25619229), (3, 17079486), (6, 8539743), (9, 5693162), (18, 2846581), (139, 368622), (278, 184311), (417, 122874), (834, 61437), (1251, 40958), (2502, 20479)]