81566996

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61981}}^1$

素因数の和:62039

約数の個数: 24

約数和(自身を含む): 166607616

約数和(自身を除く): 85040620

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 61981, 123962, 247924, 433867, 867734, 1735468, 2913107, 5826214, 11652428, 20391749, 40783498, 81566996]

約数ペア:

[(1, 81566996), (2, 40783498), (4, 20391749), (7, 11652428), (14, 5826214), (28, 2913107), (47, 1735468), (94, 867734), (188, 433867), (329, 247924), (658, 123962), (1316, 61981)]