1279821646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{1621}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 2055398400

約数和(自身を除く): 775576754

約数列:

[1, 2, 19, 38, 79, 158, 263, 526, 1501, 1621, 3002, 3242, 4997, 9994, 20777, 30799, 41554, 61598, 128059, 256118, 394763, 426323, 789526, 852646, 2433121, 4866242, 8100137, 16200274, 33679517, 67359034, 639910823, 1279821646]

約数ペア:

[(1, 1279821646), (2, 639910823), (19, 67359034), (38, 33679517), (79, 16200274), (158, 8100137), (263, 4866242), (526, 2433121), (1501, 852646), (1621, 789526), (3002, 426323), (3242, 394763), (4997, 256118), (9994, 128059), (20777, 61598), (30799, 41554)]