177757988

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{105557}}^1$

素因数の和:105982

約数の個数: 12

約数和(自身を含む): 311818332

約数和(自身を除く): 134060344

約数列:

[1, 2, 4, 421, 842, 1684, 105557, 211114, 422228, 44439497, 88878994, 177757988]

約数ペア:

[(1, 177757988), (2, 88878994), (4, 44439497), (421, 422228), (842, 211114), (1684, 105557)]