257889126

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{16349}}^1$

素因数の和:16604

約数の個数: 32

約数和(自身を含む): 565056000

約数和(自身を除く): 307166874

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 239, 478, 717, 1434, 2629, 5258, 7887, 15774, 16349, 32698, 49047, 98094, 179839, 359678, 539517, 1079034, 3907411, 7814822, 11722233, 23444466, 42981521, 85963042, 128944563, 257889126]

約数ペア:

[(1, 257889126), (2, 128944563), (3, 85963042), (6, 42981521), (11, 23444466), (22, 11722233), (33, 7814822), (66, 3907411), (239, 1079034), (478, 539517), (717, 359678), (1434, 179839), (2629, 98094), (5258, 49047), (7887, 32698), (15774, 16349)]