255565805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 342171648

約数和(自身を除く): 86605843

約数列:

[1, 5, 11, 55, 67, 223, 311, 335, 737, 1115, 1555, 2453, 3421, 3685, 12265, 14941, 17105, 20837, 69353, 74705, 104185, 164351, 229207, 346765, 762883, 821755, 1146035, 3814415, 4646651, 23233255, 51113161, 255565805]

約数ペア:

[(1, 255565805), (5, 51113161), (11, 23233255), (55, 4646651), (67, 3814415), (223, 1146035), (311, 821755), (335, 762883), (737, 346765), (1115, 229207), (1555, 164351), (2453, 104185), (3421, 74705), (3685, 69353), (12265, 20837), (14941, 17105)]