64041328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307891}}^1$

素因数の和:307912

約数の個数: 20

約数和(自身を含む): 133625128

約数和(自身を除く): 69583800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307891, 615782, 1231564, 2463128, 4002583, 4926256, 8005166, 16010332, 32020664, 64041328]

約数ペア:

[(1, 64041328), (2, 32020664), (4, 16010332), (8, 8005166), (13, 4926256), (16, 4002583), (26, 2463128), (52, 1231564), (104, 615782), (208, 307891)]