81143528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{1153}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 160636800

約数和(自身を除く): 79493272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 463, 926, 1153, 1852, 2306, 3704, 4612, 8797, 9224, 17594, 21907, 35188, 43814, 70376, 87628, 175256, 533839, 1067678, 2135356, 4270712, 10142941, 20285882, 40571764, 81143528]

約数ペア:

[(1, 81143528), (2, 40571764), (4, 20285882), (8, 10142941), (19, 4270712), (38, 2135356), (76, 1067678), (152, 533839), (463, 175256), (926, 87628), (1153, 70376), (1852, 43814), (2306, 35188), (3704, 21907), (4612, 17594), (8797, 9224)]