81221872

素因数分解:

$2^4\times {\mathrm{883}}^1\times {\mathrm{5749}}^1$

素因数の和:6640

約数の個数: 20

約数和(自身を含む): 157573000

約数和(自身を除く): 76351128

約数列:

[1, 2, 4, 8, 16, 883, 1766, 3532, 5749, 7064, 11498, 14128, 22996, 45992, 91984, 5076367, 10152734, 20305468, 40610936, 81221872]

約数ペア:

[(1, 81221872), (2, 40610936), (4, 20305468), (8, 10152734), (16, 5076367), (883, 91984), (1766, 45992), (3532, 22996), (5749, 14128), (7064, 11498)]