127698740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491149}}^1$

素因数の和:491171

約数の個数: 24

約数和(自身を含む): 288796200

約数和(自身を除く): 161097460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491149, 982298, 1964596, 2455745, 4911490, 6384937, 9822980, 12769874, 25539748, 31924685, 63849370, 127698740]

約数ペア:

[(1, 127698740), (2, 63849370), (4, 31924685), (5, 25539748), (10, 12769874), (13, 9822980), (20, 6384937), (26, 4911490), (52, 2455745), (65, 1964596), (130, 982298), (260, 491149)]