209224078

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{210487}}^1$

素因数の和:210567

約数の個数: 16

約数和(自身を含む): 363723264

約数和(自身を除く): 154499186

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 210487, 420974, 1473409, 2946818, 14944577, 29889154, 104612039, 209224078]

約数ペア:

[(1, 209224078), (2, 104612039), (7, 29889154), (14, 14944577), (71, 2946818), (142, 1473409), (497, 420974), (994, 210487)]