28974967

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 33806080

約数和(自身を除く): 4831113

約数列:

[1, 7, 97, 139, 307, 679, 973, 2149, 13483, 29779, 42673, 94381, 208453, 298711, 4139281, 28974967]

約数ペア:

[(1, 28974967), (7, 4139281), (97, 298711), (139, 208453), (307, 94381), (679, 42673), (973, 29779), (2149, 13483)]