64946864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213641}}^1$

素因数の和:213668

約数の個数: 20

約数和(自身を含む): 132458040

約数和(自身を除く): 67511176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213641, 427282, 854564, 1709128, 3418256, 4059179, 8118358, 16236716, 32473432, 64946864]

約数ペア:

[(1, 64946864), (2, 32473432), (4, 16236716), (8, 8118358), (16, 4059179), (19, 3418256), (38, 1709128), (76, 854564), (152, 427282), (304, 213641)]