217043893

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{3847}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 248242176

約数和(自身を除く): 31198283

約数列:

[1, 11, 23, 223, 253, 2453, 3847, 5129, 42317, 56419, 88481, 857881, 973291, 9436691, 19731263, 217043893]

約数ペア:

[(1, 217043893), (11, 19731263), (23, 9436691), (223, 973291), (253, 857881), (2453, 88481), (3847, 56419), (5129, 42317)]