128286776

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{3371}}^1$

素因数の和:3515

約数の個数: 32

約数和(自身を含む): 247639680

約数和(自身を除く): 119352904

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 268, 284, 536, 568, 3371, 4757, 6742, 9514, 13484, 19028, 26968, 38056, 225857, 239341, 451714, 478682, 903428, 957364, 1806856, 1914728, 16035847, 32071694, 64143388, 128286776]

約数ペア:

[(1, 128286776), (2, 64143388), (4, 32071694), (8, 16035847), (67, 1914728), (71, 1806856), (134, 957364), (142, 903428), (268, 478682), (284, 451714), (536, 239341), (568, 225857), (3371, 38056), (4757, 26968), (6742, 19028), (9514, 13484)]