161760496

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{235117}}^1$

素因数の和:235168

約数の個数: 20

約数和(自身を含む): 320700952

約数和(自身を除く): 158940456

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 235117, 470234, 940468, 1880936, 3761872, 10110031, 20220062, 40440124, 80880248, 161760496]

約数ペア:

[(1, 161760496), (2, 80880248), (4, 40440124), (8, 20220062), (16, 10110031), (43, 3761872), (86, 1880936), (172, 940468), (344, 470234), (688, 235117)]