206880476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{427439}}^1$

素因数の和:427465

約数の個数: 18

約数和(自身を含む): 397946640

約数和(自身を除く): 191066164

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 427439, 854878, 1709756, 4701829, 9403658, 18807316, 51720119, 103440238, 206880476]

約数ペア:

[(1, 206880476), (2, 103440238), (4, 51720119), (11, 18807316), (22, 9403658), (44, 4701829), (121, 1709756), (242, 854878), (484, 427439)]