81125176

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 171171000

約数和(自身を除く): 90045824

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1892, 1949, 3784, 3898, 5203, 7796, 10406, 15592, 20812, 21439, 41624, 42878, 83807, 85756, 167614, 171512, 235829, 335228, 471658, 670456, 921877, 943316, 1843754, 1886632, 3687508, 7375016, 10140647, 20281294, 40562588, 81125176]

約数ペア:

[(1, 81125176), (2, 40562588), (4, 20281294), (8, 10140647), (11, 7375016), (22, 3687508), (43, 1886632), (44, 1843754), (86, 943316), (88, 921877), (121, 670456), (172, 471658), (242, 335228), (344, 235829), (473, 171512), (484, 167614), (946, 85756), (968, 83807), (1892, 42878), (1949, 41624), (3784, 21439), (3898, 20812), (5203, 15592), (7796, 10406)]