221419510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1703227}}^1$

素因数の和:1703247

約数の個数: 16

約数和(自身を含む): 429213456

約数和(自身を除く): 207793946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1703227, 3406454, 8516135, 17032270, 22141951, 44283902, 110709755, 221419510]

約数ペア:

[(1, 221419510), (2, 110709755), (5, 44283902), (10, 22141951), (13, 17032270), (26, 8516135), (65, 3406454), (130, 1703227)]