28178788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4107

約数の個数: 24

約数和(自身を含む): 54139680

約数和(自身を除く): 25960892

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 3586, 3929, 7172, 7858, 15716, 43219, 86438, 172876, 640427, 1280854, 2561708, 7044697, 14089394, 28178788]

約数ペア:

[(1, 28178788), (2, 14089394), (4, 7044697), (11, 2561708), (22, 1280854), (44, 640427), (163, 172876), (326, 86438), (652, 43219), (1793, 15716), (3586, 7858), (3929, 7172)]