56403790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1291}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 108000864

約数和(自身を除く): 51597074

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 1291, 2570, 2582, 4369, 6455, 8738, 12910, 21845, 21947, 43690, 43894, 109735, 219470, 331787, 663574, 1658935, 3317870, 5640379, 11280758, 28201895, 56403790]

約数ペア:

[(1, 56403790), (2, 28201895), (5, 11280758), (10, 5640379), (17, 3317870), (34, 1658935), (85, 663574), (170, 331787), (257, 219470), (514, 109735), (1285, 43894), (1291, 43690), (2570, 21947), (2582, 21845), (4369, 12910), (6455, 8738)]