211643290

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{37997}}^1$

素因数の和:38561

約数の個数: 16

約数和(自身を含む): 381651912

約数和(自身を除く): 170008622

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5570, 37997, 75994, 189985, 379970, 21164329, 42328658, 105821645, 211643290]

約数ペア:

[(1, 211643290), (2, 105821645), (5, 42328658), (10, 21164329), (557, 379970), (1114, 189985), (2785, 75994), (5570, 37997)]