81316774

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 155927376

約数和(自身を除く): 74610602

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 241, 313, 482, 539, 626, 1078, 1687, 2191, 2651, 3374, 3443, 4382, 5302, 6886, 11809, 15337, 18557, 23618, 24101, 30674, 37114, 48202, 75433, 129899, 150866, 168707, 259798, 337414, 528031, 829763, 1056062, 1659526, 3696217, 5808341, 7392434, 11616682, 40658387, 81316774]

約数ペア:

[(1, 81316774), (2, 40658387), (7, 11616682), (11, 7392434), (14, 5808341), (22, 3696217), (49, 1659526), (77, 1056062), (98, 829763), (154, 528031), (241, 337414), (313, 259798), (482, 168707), (539, 150866), (626, 129899), (1078, 75433), (1687, 48202), (2191, 37114), (2651, 30674), (3374, 24101), (3443, 23618), (4382, 18557), (5302, 15337), (6886, 11809)]