64414864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211891}}^1$

素因数の和:211918

約数の個数: 20

約数和(自身を含む): 131373040

約数和(自身を除く): 66958176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211891, 423782, 847564, 1695128, 3390256, 4025929, 8051858, 16103716, 32207432, 64414864]

約数ペア:

[(1, 64414864), (2, 32207432), (4, 16103716), (8, 8051858), (16, 4025929), (19, 3390256), (38, 1695128), (76, 847564), (152, 423782), (304, 211891)]