221499188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{171439}}^1$

素因数の和:171479

約数の個数: 24

約数和(自身を含む): 432028800

約数和(自身を除く): 210529612

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 171439, 342878, 685756, 2914463, 3257341, 5828926, 6514682, 11657852, 13029364, 55374797, 110749594, 221499188]

約数ペア:

[(1, 221499188), (2, 110749594), (4, 55374797), (17, 13029364), (19, 11657852), (34, 6514682), (38, 5828926), (68, 3257341), (76, 2914463), (323, 685756), (646, 342878), (1292, 171439)]