26880266

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28657}}^1$

素因数の和:28733

約数の個数: 16

約数和(自身を含む): 46769856

約数和(自身を除く): 19889590

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 28657, 57314, 200599, 401198, 1920019, 3840038, 13440133, 26880266]

約数ペア:

[(1, 26880266), (2, 13440133), (7, 3840038), (14, 1920019), (67, 401198), (134, 200599), (469, 57314), (938, 28657)]