81199228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{1321}}^1$

素因数の和:1474

約数の個数: 36

約数和(自身を含む): 157540096

約数和(自身を除く): 76340868

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 484, 508, 1321, 1397, 2642, 2794, 5284, 5588, 14531, 15367, 29062, 30734, 58124, 61468, 159841, 167767, 319682, 335534, 639364, 671068, 1845437, 3690874, 7381748, 20299807, 40599614, 81199228]

約数ペア:

[(1, 81199228), (2, 40599614), (4, 20299807), (11, 7381748), (22, 3690874), (44, 1845437), (121, 671068), (127, 639364), (242, 335534), (254, 319682), (484, 167767), (508, 159841), (1321, 61468), (1397, 58124), (2642, 30734), (2794, 29062), (5284, 15367), (5588, 14531)]