408086288

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{129469}}^1$

素因数の和:129674

約数の個数: 20

約数和(自身を含む): 794686860

約数和(自身を除く): 386600572

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 129469, 258938, 517876, 1035752, 2071504, 25505393, 51010786, 102021572, 204043144, 408086288]

約数ペア:

[(1, 408086288), (2, 204043144), (4, 102021572), (8, 51010786), (16, 25505393), (197, 2071504), (394, 1035752), (788, 517876), (1576, 258938), (3152, 129469)]