81384968

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4673}}^1$

素因数の和:4997

約数の個数: 32

約数和(自身を含む): 174994560

約数和(自身を除く): 93609592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1244, 2177, 2488, 4354, 4673, 8708, 9346, 17416, 18692, 32711, 37384, 65422, 130844, 261688, 1453303, 2906606, 5813212, 10173121, 11626424, 20346242, 40692484, 81384968]

約数ペア:

[(1, 81384968), (2, 40692484), (4, 20346242), (7, 11626424), (8, 10173121), (14, 5813212), (28, 2906606), (56, 1453303), (311, 261688), (622, 130844), (1244, 65422), (2177, 37384), (2488, 32711), (4354, 18692), (4673, 17416), (8708, 9346)]