81393172

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{5711}}^1$

素因数の和:6231

約数の個数: 24

約数和(自身を含む): 163134720

約数和(自身を除く): 81741548

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 5711, 7126, 11422, 14252, 22844, 39977, 79954, 159908, 2906899, 5813798, 11627596, 20348293, 40696586, 81393172]

約数ペア:

[(1, 81393172), (2, 40696586), (4, 20348293), (7, 11627596), (14, 5813798), (28, 2906899), (509, 159908), (1018, 79954), (2036, 39977), (3563, 22844), (5711, 14252), (7126, 11422)]