661566854572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{65729}}^1\times {\mathrm{193559}}^1$

素因数の和:259305

約数の個数: 24

約数和(自身を含む): 1246824482400

約数和(自身を除く): 585257627828

約数列:

[1, 2, 4, 13, 26, 52, 65729, 131458, 193559, 262916, 387118, 774236, 854477, 1708954, 2516267, 3417908, 5032534, 10065068, 12722439511, 25444879022, 50889758044, 165391713643, 330783427286, 661566854572]

約数ペア:

[(1, 661566854572), (2, 330783427286), (4, 165391713643), (13, 50889758044), (26, 25444879022), (52, 12722439511), (65729, 10065068), (131458, 5032534), (193559, 3417908), (262916, 2516267), (387118, 1708954), (774236, 854477)]