84778864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{311687}}^1$

素因数の和:311712

約数の個数: 20

約数和(自身を含む): 173921904

約数和(自身を除く): 89143040

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 311687, 623374, 1246748, 2493496, 4986992, 5298679, 10597358, 21194716, 42389432, 84778864]

約数ペア:

[(1, 84778864), (2, 42389432), (4, 21194716), (8, 10597358), (16, 5298679), (17, 4986992), (34, 2493496), (68, 1246748), (136, 623374), (272, 311687)]