12886195

素因数分解:

$5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{661}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 17731008

約数和(自身を除く): 4844813

約数列:

[1, 5, 7, 35, 557, 661, 2785, 3305, 3899, 4627, 19495, 23135, 368177, 1840885, 2577239, 12886195]

約数ペア:

[(1, 12886195), (5, 2577239), (7, 1840885), (35, 368177), (557, 23135), (661, 19495), (2785, 4627), (3305, 3899)]