28878906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{687593}}^1$

素因数の和:687605

約数の個数: 16

約数和(自身を含む): 66009024

約数和(自身を除く): 37130118

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 687593, 1375186, 2062779, 4125558, 4813151, 9626302, 14439453, 28878906]

約数ペア:

[(1, 28878906), (2, 14439453), (3, 9626302), (6, 4813151), (7, 4125558), (14, 2062779), (21, 1375186), (42, 687593)]