81951848

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 174410880

約数和(自身を除く): 92459032

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 968, 1364, 2728, 2731, 3751, 5462, 7502, 10924, 15004, 21848, 30008, 30041, 60082, 84661, 120164, 169322, 240328, 330451, 338644, 660902, 677288, 931271, 1321804, 1862542, 2643608, 3725084, 7450168, 10243981, 20487962, 40975924, 81951848]

約数ペア:

[(1, 81951848), (2, 40975924), (4, 20487962), (8, 10243981), (11, 7450168), (22, 3725084), (31, 2643608), (44, 1862542), (62, 1321804), (88, 931271), (121, 677288), (124, 660902), (242, 338644), (248, 330451), (341, 240328), (484, 169322), (682, 120164), (968, 84661), (1364, 60082), (2728, 30041), (2731, 30008), (3751, 21848), (5462, 15004), (7502, 10924)]