329886448

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{290393}}^1$

素因数の和:290472

約数の個数: 20

約数和(自身を含む): 648159408

約数和(自身を除く): 318272960

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 290393, 580786, 1161572, 2323144, 4646288, 20617903, 41235806, 82471612, 164943224, 329886448]

約数ペア:

[(1, 329886448), (2, 164943224), (4, 82471612), (8, 41235806), (16, 20617903), (71, 4646288), (142, 2323144), (284, 1161572), (568, 580786), (1136, 290393)]