81071984

素因数分解:

$2^4\times 7^1\times {\mathrm{723857}}^1$

素因数の和:723872

約数の個数: 20

約数和(自身を含む): 179516784

約数和(自身を除く): 98444800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 723857, 1447714, 2895428, 5066999, 5790856, 10133998, 11581712, 20267996, 40535992, 81071984]

約数ペア:

[(1, 81071984), (2, 40535992), (4, 20267996), (7, 11581712), (8, 10133998), (14, 5790856), (16, 5066999), (28, 2895428), (56, 1447714), (112, 723857)]