81332568

素因数分解:

$2^3\times 3^2\times {\mathrm{1129619}}^1$

素因数の和:1129631

約数の個数: 24

約数和(自身を含む): 220275900

約数和(自身を除く): 138943332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129619, 2259238, 3388857, 4518476, 6777714, 9036952, 10166571, 13555428, 20333142, 27110856, 40666284, 81332568]

約数ペア:

[(1, 81332568), (2, 40666284), (3, 27110856), (4, 20333142), (6, 13555428), (8, 10166571), (9, 9036952), (12, 6777714), (18, 4518476), (24, 3388857), (36, 2259238), (72, 1129619)]