131978864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{434141}}^1$

素因数の和:434168

約数の個数: 20

約数和(自身を含む): 269168040

約数和(自身を除く): 137189176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 434141, 868282, 1736564, 3473128, 6946256, 8248679, 16497358, 32994716, 65989432, 131978864]

約数ペア:

[(1, 131978864), (2, 65989432), (4, 32994716), (8, 16497358), (16, 8248679), (19, 6946256), (38, 3473128), (76, 1736564), (152, 868282), (304, 434141)]