668848108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{20047}}^1$

素因数の和:20509

約数の個数: 24

約数和(自身を含む): 1234956800

約数和(自身を除く): 566108692

約数列:

[1, 2, 4, 19, 38, 76, 439, 878, 1756, 8341, 16682, 20047, 33364, 40094, 80188, 380893, 761786, 1523572, 8800633, 17601266, 35202532, 167212027, 334424054, 668848108]

約数ペア:

[(1, 668848108), (2, 334424054), (4, 167212027), (19, 35202532), (38, 17601266), (76, 8800633), (439, 1523572), (878, 761786), (1756, 380893), (8341, 80188), (16682, 40094), (20047, 33364)]