81106784

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{20947}}^1$

素因数の和:20979

約数の個数: 36

約数和(自身を含む): 175523292

約数和(自身を除く): 94416508

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 20947, 41894, 83788, 167576, 230417, 335152, 460834, 670304, 921668, 1843336, 2534587, 3686672, 5069174, 7373344, 10138348, 20276696, 40553392, 81106784]

約数ペア:

[(1, 81106784), (2, 40553392), (4, 20276696), (8, 10138348), (11, 7373344), (16, 5069174), (22, 3686672), (32, 2534587), (44, 1843336), (88, 921668), (121, 670304), (176, 460834), (242, 335152), (352, 230417), (484, 167576), (968, 83788), (1936, 41894), (3872, 20947)]