209684356

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{84143}}^1$

素因数の和:84243

約数の個数: 24

約数和(自身を含む): 424085760

約数和(自身を除く): 214401404

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 84143, 168286, 336572, 589001, 1178002, 2356004, 7488727, 14977454, 29954908, 52421089, 104842178, 209684356]

約数ペア:

[(1, 209684356), (2, 104842178), (4, 52421089), (7, 29954908), (14, 14977454), (28, 7488727), (89, 2356004), (178, 1178002), (356, 589001), (623, 336572), (1246, 168286), (2492, 84143)]