81140664

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{27941}}^1$

素因数の和:27972

約数の個数: 48

約数和(自身を含む): 222977160

約数和(自身を除く): 141836496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 27941, 55882, 83823, 111764, 167646, 223528, 307351, 335292, 614702, 670584, 922053, 1229404, 1844106, 2458808, 3380861, 3688212, 6761722, 7376424, 10142583, 13523444, 20285166, 27046888, 40570332, 81140664]

約数ペア:

[(1, 81140664), (2, 40570332), (3, 27046888), (4, 20285166), (6, 13523444), (8, 10142583), (11, 7376424), (12, 6761722), (22, 3688212), (24, 3380861), (33, 2458808), (44, 1844106), (66, 1229404), (88, 922053), (121, 670584), (132, 614702), (242, 335292), (264, 307351), (363, 223528), (484, 167646), (726, 111764), (968, 83823), (1452, 55882), (2904, 27941)]