81331570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478421}}^1$

素因数の和:478445

約数の個数: 16

約数和(自身を含む): 155008728

約数和(自身を除く): 73677158

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478421, 956842, 2392105, 4784210, 8133157, 16266314, 40665785, 81331570]

約数ペア:

[(1, 81331570), (2, 40665785), (5, 16266314), (10, 8133157), (17, 4784210), (34, 2392105), (85, 956842), (170, 478421)]