31489510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242227}}^1$

素因数の和:242247

約数の個数: 16

約数和(自身を含む): 61041456

約数和(自身を除く): 29551946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 242227, 484454, 1211135, 2422270, 3148951, 6297902, 15744755, 31489510]

約数ペア:

[(1, 31489510), (2, 15744755), (5, 6297902), (10, 3148951), (13, 2422270), (26, 1211135), (65, 484454), (130, 242227)]