208020919

素因数分解:

${\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 226110528

約数和(自身を除く): 18089609

約数列:

[1, 37, 47, 53, 61, 1369, 1739, 1961, 2257, 2491, 2867, 3233, 64343, 72557, 83509, 92167, 106079, 119621, 151951, 3410179, 3924923, 4425977, 5622187, 208020919]

約数ペア:

[(1, 208020919), (37, 5622187), (47, 4425977), (53, 3924923), (61, 3410179), (1369, 151951), (1739, 119621), (1961, 106079), (2257, 92167), (2491, 83509), (2867, 72557), (3233, 64343)]