204880916

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{77489}}^1$

素因数の和:78154

約数の個数: 12

約数和(自身を含む): 359088660

約数和(自身を除く): 154207744

約数列:

[1, 2, 4, 661, 1322, 2644, 77489, 154978, 309956, 51220229, 102440458, 204880916]

約数ペア:

[(1, 204880916), (2, 102440458), (4, 51220229), (661, 309956), (1322, 154978), (2644, 77489)]