442384

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 20

約数和(自身を含む): 878416

約数和(自身を除く): 436032

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 643, 688, 1286, 2572, 5144, 10288, 27649, 55298, 110596, 221192, 442384]

約数ペア:

[(1, 442384), (2, 221192), (4, 110596), (8, 55298), (16, 27649), (43, 10288), (86, 5144), (172, 2572), (344, 1286), (643, 688)]