256768784

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{17851}}^1$

素因数の和:17919

約数の個数: 40

約数和(自身を含む): 531275520

約数和(自身を除く): 274506736

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1798, 3596, 7192, 14384, 17851, 35702, 71404, 142808, 285616, 517679, 553381, 1035358, 1106762, 2070716, 2213524, 4141432, 4427048, 8282864, 8854096, 16048049, 32096098, 64192196, 128384392, 256768784]

約数ペア:

[(1, 256768784), (2, 128384392), (4, 64192196), (8, 32096098), (16, 16048049), (29, 8854096), (31, 8282864), (58, 4427048), (62, 4141432), (116, 2213524), (124, 2070716), (232, 1106762), (248, 1035358), (464, 553381), (496, 517679), (899, 285616), (1798, 142808), (3596, 71404), (7192, 35702), (14384, 17851)]