138660208

素因数分解:

$2^4\times {\mathrm{43}}^3\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 40

約数和(自身を含む): 277574000

約数和(自身を除く): 138913792

約数列:

[1, 2, 4, 8, 16, 43, 86, 109, 172, 218, 344, 436, 688, 872, 1744, 1849, 3698, 4687, 7396, 9374, 14792, 18748, 29584, 37496, 74992, 79507, 159014, 201541, 318028, 403082, 636056, 806164, 1272112, 1612328, 3224656, 8666263, 17332526, 34665052, 69330104, 138660208]

約数ペア:

[(1, 138660208), (2, 69330104), (4, 34665052), (8, 17332526), (16, 8666263), (43, 3224656), (86, 1612328), (109, 1272112), (172, 806164), (218, 636056), (344, 403082), (436, 318028), (688, 201541), (872, 159014), (1744, 79507), (1849, 74992), (3698, 37496), (4687, 29584), (7396, 18748), (9374, 14792)]