81514816

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{17939}}^1$

素因数の和:18022

約数の個数: 28

約数和(自身を含む): 164043360

約数和(自身を除く): 82528544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 17939, 35878, 71756, 143512, 287024, 574048, 1148096, 1273669, 2547338, 5094676, 10189352, 20378704, 40757408, 81514816]

約数ペア:

[(1, 81514816), (2, 40757408), (4, 20378704), (8, 10189352), (16, 5094676), (32, 2547338), (64, 1273669), (71, 1148096), (142, 574048), (284, 287024), (568, 143512), (1136, 71756), (2272, 35878), (4544, 17939)]