28759510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221227}}^1$

素因数の和:221247

約数の個数: 16

約数和(自身を含む): 55749456

約数和(自身を除く): 26989946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 221227, 442454, 1106135, 2212270, 2875951, 5751902, 14379755, 28759510]

約数ペア:

[(1, 28759510), (2, 14379755), (5, 5751902), (10, 2875951), (13, 2212270), (26, 1106135), (65, 442454), (130, 221227)]