1647620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6337}}^1$

素因数の和:6359

約数の個数: 24

約数和(自身を含む): 3726744

約数和(自身を除く): 2079124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6337, 12674, 25348, 31685, 63370, 82381, 126740, 164762, 329524, 411905, 823810, 1647620]

約数ペア:

[(1, 1647620), (2, 823810), (4, 411905), (5, 329524), (10, 164762), (13, 126740), (20, 82381), (26, 63370), (52, 31685), (65, 25348), (130, 12674), (260, 6337)]