22143128

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1987}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 47712000

約数和(自身を除く): 25568872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1987, 2786, 3974, 5572, 7948, 11144, 13909, 15896, 27818, 55636, 111272, 395413, 790826, 1581652, 2767891, 3163304, 5535782, 11071564, 22143128]

約数ペア:

[(1, 22143128), (2, 11071564), (4, 5535782), (7, 3163304), (8, 2767891), (14, 1581652), (28, 790826), (56, 395413), (199, 111272), (398, 55636), (796, 27818), (1393, 15896), (1592, 13909), (1987, 11144), (2786, 7948), (3974, 5572)]