210317584

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{20443}}^1$

素因数の和:21094

約数の個数: 20

約数和(自身を含む): 408144016

約数和(自身を除く): 197826432

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 20443, 40886, 81772, 163544, 327088, 13144849, 26289698, 52579396, 105158792, 210317584]

約数ペア:

[(1, 210317584), (2, 105158792), (4, 52579396), (8, 26289698), (16, 13144849), (643, 327088), (1286, 163544), (2572, 81772), (5144, 40886), (10288, 20443)]