81206676

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31771}}^1$

素因数の和:31852

約数の個数: 36

約数和(自身を含む): 208170144

約数和(自身を除く): 126963468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 31771, 63542, 95313, 127084, 190626, 285939, 381252, 571878, 1143756, 2255741, 4511482, 6767223, 9022964, 13534446, 20301669, 27068892, 40603338, 81206676]

約数ペア:

[(1, 81206676), (2, 40603338), (3, 27068892), (4, 20301669), (6, 13534446), (9, 9022964), (12, 6767223), (18, 4511482), (36, 2255741), (71, 1143756), (142, 571878), (213, 381252), (284, 285939), (426, 190626), (639, 127084), (852, 95313), (1278, 63542), (2556, 31771)]