16561888

素因数分解:

$2^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 37666944

約数和(自身を除く): 21105056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 107, 112, 214, 224, 428, 691, 749, 856, 1382, 1498, 1712, 2764, 2996, 3424, 4837, 5528, 5992, 9674, 11056, 11984, 19348, 22112, 23968, 38696, 73937, 77392, 147874, 154784, 295748, 517559, 591496, 1035118, 1182992, 2070236, 2365984, 4140472, 8280944, 16561888]

約数ペア:

[(1, 16561888), (2, 8280944), (4, 4140472), (7, 2365984), (8, 2070236), (14, 1182992), (16, 1035118), (28, 591496), (32, 517559), (56, 295748), (107, 154784), (112, 147874), (214, 77392), (224, 73937), (428, 38696), (691, 23968), (749, 22112), (856, 19348), (1382, 11984), (1498, 11056), (1712, 9674), (2764, 5992), (2996, 5528), (3424, 4837)]