218253804

素因数分解:

$2^2\times 3^1\times {\mathrm{647}}^1\times {\mathrm{28111}}^1$

素因数の和:28765

約数の個数: 24

約数和(自身を含む): 510064128

約数和(自身を除く): 291810324

約数列:

[1, 2, 3, 4, 6, 12, 647, 1294, 1941, 2588, 3882, 7764, 28111, 56222, 84333, 112444, 168666, 337332, 18187817, 36375634, 54563451, 72751268, 109126902, 218253804]

約数ペア:

[(1, 218253804), (2, 109126902), (3, 72751268), (4, 54563451), (6, 36375634), (12, 18187817), (647, 337332), (1294, 168666), (1941, 112444), (2588, 84333), (3882, 56222), (7764, 28111)]