28771816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{83639}}^1$

素因数の和:83688

約数の個数: 16

約数和(自身を含む): 55202400

約数和(自身を除く): 26430584

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 83639, 167278, 334556, 669112, 3596477, 7192954, 14385908, 28771816]

約数ペア:

[(1, 28771816), (2, 14385908), (4, 7192954), (8, 3596477), (43, 669112), (86, 334556), (172, 167278), (344, 83639)]