256711266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2037391}}^1$

素因数の和:2037406

約数の個数: 24

約数和(自身を含む): 635666304

約数和(自身を除く): 378955038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2037391, 4074782, 6112173, 12224346, 14261737, 18336519, 28523474, 36673038, 42785211, 85570422, 128355633, 256711266]

約数ペア:

[(1, 256711266), (2, 128355633), (3, 85570422), (6, 42785211), (7, 36673038), (9, 28523474), (14, 18336519), (18, 14261737), (21, 12224346), (42, 6112173), (63, 4074782), (126, 2037391)]