66708304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{320713}}^1$

素因数の和:320734

約数の個数: 20

約数和(自身を含む): 139189876

約数和(自身を除く): 72481572

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 320713, 641426, 1282852, 2565704, 4169269, 5131408, 8338538, 16677076, 33354152, 66708304]

約数ペア:

[(1, 66708304), (2, 33354152), (4, 16677076), (8, 8338538), (13, 5131408), (16, 4169269), (26, 2565704), (52, 1282852), (104, 641426), (208, 320713)]