209640368

素因数分解:

$2^4\times 7^1\times {\mathrm{1871789}}^1$

素因数の和:1871804

約数の個数: 20

約数和(自身を含む): 464203920

約数和(自身を除く): 254563552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1871789, 3743578, 7487156, 13102523, 14974312, 26205046, 29948624, 52410092, 104820184, 209640368]

約数ペア:

[(1, 209640368), (2, 104820184), (4, 52410092), (7, 29948624), (8, 26205046), (14, 14974312), (16, 13102523), (28, 7487156), (56, 3743578), (112, 1871789)]