133640836

素因数分解:

$2^2\times 7^2\times {\mathrm{681841}}^1$

素因数の和:681859

約数の個数: 18

約数和(自身を含む): 272054958

約数和(自身を除く): 138414122

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 681841, 1363682, 2727364, 4772887, 9545774, 19091548, 33410209, 66820418, 133640836]

約数ペア:

[(1, 133640836), (2, 66820418), (4, 33410209), (7, 19091548), (14, 9545774), (28, 4772887), (49, 2727364), (98, 1363682), (196, 681841)]