81618790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{15787}}^1$

素因数の和:15852

約数の個数: 32

約数和(自身を含む): 163689984

約数和(自身を除く): 82071194

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 5170, 15787, 31574, 78935, 157870, 173657, 347314, 741989, 868285, 1483978, 1736570, 3709945, 7419890, 8161879, 16323758, 40809395, 81618790]

約数ペア:

[(1, 81618790), (2, 40809395), (5, 16323758), (10, 8161879), (11, 7419890), (22, 3709945), (47, 1736570), (55, 1483978), (94, 868285), (110, 741989), (235, 347314), (470, 173657), (517, 157870), (1034, 78935), (2585, 31574), (5170, 15787)]