256157054

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{11717}}^1$

素因数の和:12379

約数の個数: 16

約数和(自身を含む): 407505168

約数和(自身を除く): 151348114

約数列:

[1, 2, 17, 34, 643, 1286, 10931, 11717, 21862, 23434, 199189, 398378, 7534031, 15068062, 128078527, 256157054]

約数ペア:

[(1, 256157054), (2, 128078527), (17, 15068062), (34, 7534031), (643, 398378), (1286, 199189), (10931, 23434), (11717, 21862)]