28997227

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 34744320

約数和(自身を除く): 5747093

約数列:

[1, 7, 23, 161, 389, 463, 2723, 3241, 8947, 10649, 62629, 74543, 180107, 1260749, 4142461, 28997227]

約数ペア:

[(1, 28997227), (7, 4142461), (23, 1260749), (161, 180107), (389, 74543), (463, 62629), (2723, 10649), (3241, 8947)]