180009004

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{23209}}^1$

素因数の和:23497

約数の個数: 24

約数和(自身を含む): 361333280

約数和(自身を除く): 181324276

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756, 23209, 46418, 92836, 162463, 324926, 649852, 6428893, 12857786, 25715572, 45002251, 90004502, 180009004]

約数ペア:

[(1, 180009004), (2, 90004502), (4, 45002251), (7, 25715572), (14, 12857786), (28, 6428893), (277, 649852), (554, 324926), (1108, 162463), (1939, 92836), (3878, 46418), (7756, 23209)]