28331347970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39903307}}^1$

素因数の和:39903385

約数の個数: 16

約数和(自身を含む): 51714687168

約数和(自身を除く): 23383339198

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39903307, 79806614, 199516535, 399033070, 2833134797, 5666269594, 14165673985, 28331347970]

約数ペア:

[(1, 28331347970), (2, 14165673985), (5, 5666269594), (10, 2833134797), (71, 399033070), (142, 199516535), (355, 79806614), (710, 39903307)]