28149176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 59288760

約数和(自身を除く): 31139584

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 173, 344, 346, 473, 692, 946, 1384, 1849, 1892, 1903, 3698, 3784, 3806, 7396, 7439, 7612, 14792, 14878, 15224, 20339, 29756, 40678, 59512, 81356, 81829, 162712, 163658, 319877, 327316, 639754, 654632, 1279508, 2559016, 3518647, 7037294, 14074588, 28149176]

約数ペア:

[(1, 28149176), (2, 14074588), (4, 7037294), (8, 3518647), (11, 2559016), (22, 1279508), (43, 654632), (44, 639754), (86, 327316), (88, 319877), (172, 163658), (173, 162712), (344, 81829), (346, 81356), (473, 59512), (692, 40678), (946, 29756), (1384, 20339), (1849, 15224), (1892, 14878), (1903, 14792), (3698, 7612), (3784, 7439), (3806, 7396)]