81027824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117773}}^1$

素因数の和:117824

約数の個数: 20

約数和(自身を含む): 160643736

約数和(自身を除く): 79615912

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117773, 235546, 471092, 942184, 1884368, 5064239, 10128478, 20256956, 40513912, 81027824]

約数ペア:

[(1, 81027824), (2, 40513912), (4, 20256956), (8, 10128478), (16, 5064239), (43, 1884368), (86, 942184), (172, 471092), (344, 235546), (688, 117773)]