19970526

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{81181}}^1$

素因数の和:81227

約数の個数: 16

約数和(自身を含む): 40915728

約数和(自身を除く): 20945202

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 81181, 162362, 243543, 487086, 3328421, 6656842, 9985263, 19970526]

約数ペア:

[(1, 19970526), (2, 9985263), (3, 6656842), (6, 3328421), (41, 487086), (82, 243543), (123, 162362), (246, 81181)]