28684978

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 50937984

約数和(自身を除く): 22253006

約数列:

[1, 2, 7, 14, 53, 67, 106, 134, 371, 469, 577, 742, 938, 1154, 3551, 4039, 7102, 8078, 24857, 30581, 38659, 49714, 61162, 77318, 214067, 270613, 428134, 541226, 2048927, 4097854, 14342489, 28684978]

約数ペア:

[(1, 28684978), (2, 14342489), (7, 4097854), (14, 2048927), (53, 541226), (67, 428134), (106, 270613), (134, 214067), (371, 77318), (469, 61162), (577, 49714), (742, 38659), (938, 30581), (1154, 24857), (3551, 8078), (4039, 7102)]