81721968

素因数分解:

$2^4\times 3^1\times {\mathrm{1283}}^1\times {\mathrm{1327}}^1$

素因数の和:2621

約数の個数: 40

約数和(自身を含む): 211438848

約数和(自身を除く): 129716880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1283, 1327, 2566, 2654, 3849, 3981, 5132, 5308, 7698, 7962, 10264, 10616, 15396, 15924, 20528, 21232, 30792, 31848, 61584, 63696, 1702541, 3405082, 5107623, 6810164, 10215246, 13620328, 20430492, 27240656, 40860984, 81721968]

約数ペア:

[(1, 81721968), (2, 40860984), (3, 27240656), (4, 20430492), (6, 13620328), (8, 10215246), (12, 6810164), (16, 5107623), (24, 3405082), (48, 1702541), (1283, 63696), (1327, 61584), (2566, 31848), (2654, 30792), (3849, 21232), (3981, 20528), (5132, 15924), (5308, 15396), (7698, 10616), (7962, 10264)]