221371697

素因数分解:

${\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 232087680

約数和(自身を除く): 10715983

約数列:

[1, 43, 73, 109, 647, 3139, 4687, 7957, 27821, 47231, 70523, 342151, 2030933, 3032489, 5148179, 221371697]

約数ペア:

[(1, 221371697), (43, 5148179), (73, 3032489), (109, 2030933), (647, 342151), (3139, 70523), (4687, 47231), (7957, 27821)]