28474978

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{7853}}^1$

素因数の和:7906

約数の個数: 24

約数和(自身を含む): 51035292

約数和(自身を除く): 22560314

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 7853, 15706, 54971, 109942, 290561, 384797, 581122, 769594, 2033927, 4067854, 14237489, 28474978]

約数ペア:

[(1, 28474978), (2, 14237489), (7, 4067854), (14, 2033927), (37, 769594), (49, 581122), (74, 384797), (98, 290561), (259, 109942), (518, 54971), (1813, 15706), (3626, 7853)]