221889073

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{32051}}^1$

素因数の和:32124

約数の個数: 16

約数和(自身を含む): 270775296

約数和(自身を除く): 48886223

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 32051, 224357, 737173, 1378193, 5160211, 9647351, 31698439, 221889073]

約数ペア:

[(1, 221889073), (7, 31698439), (23, 9647351), (43, 5160211), (161, 1378193), (301, 737173), (989, 224357), (6923, 32051)]