218539986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{47737}}^1$

素因数の和:47858

約数の個数: 32

約数和(自身を含む): 504113280

約数和(自身を除く): 285573294

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 47737, 95474, 143211, 286422, 334159, 668318, 1002477, 2004954, 5203333, 10406666, 15609999, 31219998, 36423331, 72846662, 109269993, 218539986]

約数ペア:

[(1, 218539986), (2, 109269993), (3, 72846662), (6, 36423331), (7, 31219998), (14, 15609999), (21, 10406666), (42, 5203333), (109, 2004954), (218, 1002477), (327, 668318), (654, 334159), (763, 286422), (1526, 143211), (2289, 95474), (4578, 47737)]