221830906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{438401}}^1$

素因数の和:438437

約数の個数: 16

約数和(自身を含む): 378779328

約数和(自身を除く): 156948422

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 438401, 876802, 4822411, 9644822, 10083223, 20166446, 110915453, 221830906]

約数ペア:

[(1, 221830906), (2, 110915453), (11, 20166446), (22, 10083223), (23, 9644822), (46, 4822411), (253, 876802), (506, 438401)]