668060216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{65599}}^1$

素因数の和:65691

約数の個数: 32

約数和(自身を含む): 1338240000

約数和(自身を除く): 670179784

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2546, 5092, 10184, 65599, 131198, 262396, 524792, 1246381, 2492762, 4395133, 4985524, 8790266, 9971048, 17580532, 35161064, 83507527, 167015054, 334030108, 668060216]

約数ペア:

[(1, 668060216), (2, 334030108), (4, 167015054), (8, 83507527), (19, 35161064), (38, 17580532), (67, 9971048), (76, 8790266), (134, 4985524), (152, 4395133), (268, 2492762), (536, 1246381), (1273, 524792), (2546, 262396), (5092, 131198), (10184, 65599)]