15891890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227027}}^1$

素因数の和:227041

約数の個数: 16

約数和(自身を含む): 32692032

約数和(自身を除く): 16800142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227027, 454054, 1135135, 1589189, 2270270, 3178378, 7945945, 15891890]

約数ペア:

[(1, 15891890), (2, 7945945), (5, 3178378), (7, 2270270), (10, 1589189), (14, 1135135), (35, 454054), (70, 227027)]