239945216

素因数分解:

$2^9\times 7^1\times {\mathrm{66949}}^1$

素因数の和:66974

約数の個数: 40

約数和(自身を含む): 547918800

約数和(自身を除く): 307973584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 66949, 133898, 267796, 468643, 535592, 937286, 1071184, 1874572, 2142368, 3749144, 4284736, 7498288, 8569472, 14996576, 17138944, 29993152, 34277888, 59986304, 119972608, 239945216]

約数ペア:

[(1, 239945216), (2, 119972608), (4, 59986304), (7, 34277888), (8, 29993152), (14, 17138944), (16, 14996576), (28, 8569472), (32, 7498288), (56, 4284736), (64, 3749144), (112, 2142368), (128, 1874572), (224, 1071184), (256, 937286), (448, 535592), (512, 468643), (896, 267796), (1792, 133898), (3584, 66949)]