2557725884

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{666769}}^1$

素因数の和:666917

約数の個数: 24

約数和(自身を含む): 5152798560

約数和(自身を除く): 2595072676

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 666769, 1333538, 2667076, 4667383, 9334766, 18669532, 91347353, 182694706, 365389412, 639431471, 1278862942, 2557725884]

約数ペア:

[(1, 2557725884), (2, 1278862942), (4, 639431471), (7, 365389412), (14, 182694706), (28, 91347353), (137, 18669532), (274, 9334766), (548, 4667383), (959, 2667076), (1918, 1333538), (3836, 666769)]