204920492

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{28477}}^1$

素因数の和:28745

約数の個数: 24

約数和(自身を含む): 411450144

約数和(自身を除く): 206529652

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 28477, 56954, 113908, 199339, 398678, 797356, 7318589, 14637178, 29274356, 51230123, 102460246, 204920492]

約数ペア:

[(1, 204920492), (2, 102460246), (4, 51230123), (7, 29274356), (14, 14637178), (28, 7318589), (257, 797356), (514, 398678), (1028, 199339), (1799, 113908), (3598, 56954), (7196, 28477)]