645239824

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{84191}}^1$

素因数の和:84678

約数の個数: 20

約数和(自身を含む): 1252776960

約数和(自身を除く): 607537136

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 84191, 168382, 336764, 673528, 1347056, 40327489, 80654978, 161309956, 322619912, 645239824]

約数ペア:

[(1, 645239824), (2, 322619912), (4, 161309956), (8, 80654978), (16, 40327489), (479, 1347056), (958, 673528), (1916, 336764), (3832, 168382), (7664, 84191)]