128219810

素因数分解:

$2^1\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{9421}}^1$

素因数の和:10789

約数の個数: 16

約数和(自身を含む): 230989752

約数和(自身を除く): 102769942

約数列:

[1, 2, 5, 10, 1361, 2722, 6805, 9421, 13610, 18842, 47105, 94210, 12821981, 25643962, 64109905, 128219810]

約数ペア:

[(1, 128219810), (2, 64109905), (5, 25643962), (10, 12821981), (1361, 94210), (2722, 47105), (6805, 18842), (9421, 13610)]