81277636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{547}}^1$

素因数の和:880

約数の個数: 36

約数和(自身を含む): 157137904

約数和(自身を除く): 75860268

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 307, 484, 547, 614, 1094, 1228, 2188, 3377, 6017, 6754, 12034, 13508, 24068, 37147, 66187, 74294, 132374, 148588, 167929, 264748, 335858, 671716, 1847219, 3694438, 7388876, 20319409, 40638818, 81277636]

約数ペア:

[(1, 81277636), (2, 40638818), (4, 20319409), (11, 7388876), (22, 3694438), (44, 1847219), (121, 671716), (242, 335858), (307, 264748), (484, 167929), (547, 148588), (614, 132374), (1094, 74294), (1228, 66187), (2188, 37147), (3377, 24068), (6017, 13508), (6754, 12034)]