217423906

素因数分解:

$2^1\times 7^1\times {\mathrm{3571}}^1\times {\mathrm{4349}}^1$

素因数の和:7929

約数の個数: 16

約数和(自身を含む): 372916800

約数和(自身を除く): 155492894

約数列:

[1, 2, 7, 14, 3571, 4349, 7142, 8698, 24997, 30443, 49994, 60886, 15530279, 31060558, 108711953, 217423906]

約数ペア:

[(1, 217423906), (2, 108711953), (7, 31060558), (14, 15530279), (3571, 60886), (4349, 49994), (7142, 30443), (8698, 24997)]