81509938

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{9743}}^1$

素因数の和:9881

約数の個数: 16

約数和(自身を含む): 126282240

約数和(自身を除く): 44772302

約数列:

[1, 2, 47, 89, 94, 178, 4183, 8366, 9743, 19486, 457921, 867127, 915842, 1734254, 40754969, 81509938]

約数ペア:

[(1, 81509938), (2, 40754969), (47, 1734254), (89, 915842), (94, 867127), (178, 457921), (4183, 19486), (8366, 9743)]