639253242

素因数分解:

$2^1\times 3^3\times {\mathrm{11838023}}^1$

素因数の和:11838034

約数の個数: 16

約数和(自身を含む): 1420562880

約数和(自身を除く): 781309638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 11838023, 23676046, 35514069, 71028138, 106542207, 213084414, 319626621, 639253242]

約数ペア:

[(1, 639253242), (2, 319626621), (3, 213084414), (6, 106542207), (9, 71028138), (18, 35514069), (27, 23676046), (54, 11838023)]