28768978

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6827}}^1$

素因数の和:6886

約数の個数: 24

約数和(自身を含む): 51373872

約数和(自身を除く): 22604894

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 6827, 13654, 47789, 95578, 293561, 334523, 587122, 669046, 2054927, 4109854, 14384489, 28768978]

約数ペア:

[(1, 28768978), (2, 14384489), (7, 4109854), (14, 2054927), (43, 669046), (49, 587122), (86, 334523), (98, 293561), (301, 95578), (602, 47789), (2107, 13654), (4214, 6827)]