81314032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{118189}}^1$

素因数の和:118240

約数の個数: 20

約数和(自身を含む): 161211160

約数和(自身を除く): 79897128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 118189, 236378, 472756, 945512, 1891024, 5082127, 10164254, 20328508, 40657016, 81314032]

約数ペア:

[(1, 81314032), (2, 40657016), (4, 20328508), (8, 10164254), (16, 5082127), (43, 1891024), (86, 945512), (172, 472756), (344, 236378), (688, 118189)]