161961548

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{304439}}^1$

素因数の和:304469

約数の個数: 24

約数和(自身を含む): 340972800

約数和(自身を除く): 179011252

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 304439, 608878, 1217756, 2131073, 4262146, 5784341, 8524292, 11568682, 23137364, 40490387, 80980774, 161961548]

約数ペア:

[(1, 161961548), (2, 80980774), (4, 40490387), (7, 23137364), (14, 11568682), (19, 8524292), (28, 5784341), (38, 4262146), (76, 2131073), (133, 1217756), (266, 608878), (532, 304439)]