201077456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{661439}}^1$

素因数の和:661466

約数の個数: 20

約数和(自身を含む): 410092800

約数和(自身を除く): 209015344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 661439, 1322878, 2645756, 5291512, 10583024, 12567341, 25134682, 50269364, 100538728, 201077456]

約数ペア:

[(1, 201077456), (2, 100538728), (4, 50269364), (8, 25134682), (16, 12567341), (19, 10583024), (38, 5291512), (76, 2645756), (152, 1322878), (304, 661439)]