639919824

素因数分解:

$2^4\times 3^1\times {\mathrm{13331663}}^1$

素因数の和:13331674

約数の個数: 20

約数和(自身を含む): 1653126336

約数和(自身を除く): 1013206512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13331663, 26663326, 39994989, 53326652, 79989978, 106653304, 159979956, 213306608, 319959912, 639919824]

約数ペア:

[(1, 639919824), (2, 319959912), (3, 213306608), (4, 159979956), (6, 106653304), (8, 79989978), (12, 53326652), (16, 39994989), (24, 26663326), (48, 13331663)]