16561986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4751}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 21758142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 4751, 9502, 14253, 28506, 33257, 66514, 99771, 199542, 394333, 788666, 1182999, 2365998, 2760331, 5520662, 8280993, 16561986]

約数ペア:

[(1, 16561986), (2, 8280993), (3, 5520662), (6, 2760331), (7, 2365998), (14, 1182999), (21, 788666), (42, 394333), (83, 199542), (166, 99771), (249, 66514), (498, 33257), (581, 28506), (1162, 14253), (1743, 9502), (3486, 4751)]