129125428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1481}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 230053824

約数和(自身を除く): 100928396

約数列:

[1, 2, 4, 71, 142, 284, 307, 614, 1228, 1481, 2962, 5924, 21797, 43594, 87188, 105151, 210302, 420604, 454667, 909334, 1818668, 32281357, 64562714, 129125428]

約数ペア:

[(1, 129125428), (2, 64562714), (4, 32281357), (71, 1818668), (142, 909334), (284, 454667), (307, 420604), (614, 210302), (1228, 105151), (1481, 87188), (2962, 43594), (5924, 21797)]