81400264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{941}}^1\times {\mathrm{983}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 166847040

約数和(自身を除く): 85446776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 941, 983, 1882, 1966, 3764, 3932, 7528, 7864, 10351, 10813, 20702, 21626, 41404, 43252, 82808, 86504, 925003, 1850006, 3700012, 7400024, 10175033, 20350066, 40700132, 81400264]

約数ペア:

[(1, 81400264), (2, 40700132), (4, 20350066), (8, 10175033), (11, 7400024), (22, 3700012), (44, 1850006), (88, 925003), (941, 86504), (983, 82808), (1882, 43252), (1966, 41404), (3764, 21626), (3932, 20702), (7528, 10813), (7864, 10351)]