668733616

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1019411}}^1$

素因数の和:1019460

約数の個数: 20

約数和(自身を含む): 1327274424

約数和(自身を除く): 658540808

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1019411, 2038822, 4077644, 8155288, 16310576, 41795851, 83591702, 167183404, 334366808, 668733616]

約数ペア:

[(1, 668733616), (2, 334366808), (4, 167183404), (8, 83591702), (16, 41795851), (41, 16310576), (82, 8155288), (164, 4077644), (328, 2038822), (656, 1019411)]