80681348

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 157022460

約数和(自身を除く): 76341112

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 979, 1873, 1958, 3746, 3916, 7492, 10769, 20603, 21538, 41206, 43076, 82412, 166697, 226633, 333394, 453266, 666788, 906532, 1833667, 3667334, 7334668, 20170337, 40340674, 80681348]

約数ペア:

[(1, 80681348), (2, 40340674), (4, 20170337), (11, 7334668), (22, 3667334), (44, 1833667), (89, 906532), (121, 666788), (178, 453266), (242, 333394), (356, 226633), (484, 166697), (979, 82412), (1873, 43076), (1958, 41206), (3746, 21538), (3916, 20603), (7492, 10769)]