156660656

素因数分解:

$2^4\times {\mathrm{1997}}^1\times {\mathrm{4903}}^1$

素因数の和:6908

約数の個数: 20

約数和(自身を含む): 303743952

約数和(自身を除く): 147083296

約数列:

[1, 2, 4, 8, 16, 1997, 3994, 4903, 7988, 9806, 15976, 19612, 31952, 39224, 78448, 9791291, 19582582, 39165164, 78330328, 156660656]

約数ペア:

[(1, 156660656), (2, 78330328), (4, 39165164), (8, 19582582), (16, 9791291), (1997, 78448), (3994, 39224), (4903, 31952), (7988, 19612), (9806, 15976)]