1287248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1922

約数の個数: 20

約数和(自身を含む): 2553408

約数和(自身を除く): 1266160

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1871, 3742, 7484, 14968, 29936, 80453, 160906, 321812, 643624, 1287248]

約数ペア:

[(1, 1287248), (2, 643624), (4, 321812), (8, 160906), (16, 80453), (43, 29936), (86, 14968), (172, 7484), (344, 3742), (688, 1871)]