81350236

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{9887}}^1$

素因数の和:9930

約数の個数: 36

約数和(自身を含む): 165703104

約数和(自身を除く): 84352868

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 4114, 8228, 9887, 19774, 39548, 108757, 168079, 217514, 336158, 435028, 672316, 1196327, 1848869, 2392654, 3697738, 4785308, 7395476, 20337559, 40675118, 81350236]

約数ペア:

[(1, 81350236), (2, 40675118), (4, 20337559), (11, 7395476), (17, 4785308), (22, 3697738), (34, 2392654), (44, 1848869), (68, 1196327), (121, 672316), (187, 435028), (242, 336158), (374, 217514), (484, 168079), (748, 108757), (2057, 39548), (4114, 19774), (8228, 9887)]