398153728

素因数分解:

$2^{11}\times 7^1\times {\mathrm{27773}}^1$

素因数の和:27802

約数の個数: 48

約数和(自身を含む): 909876240

約数和(自身を除く): 511722512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 7168, 14336, 27773, 55546, 111092, 194411, 222184, 388822, 444368, 777644, 888736, 1555288, 1777472, 3110576, 3554944, 6221152, 7109888, 12442304, 14219776, 24884608, 28439552, 49769216, 56879104, 99538432, 199076864, 398153728]

約数ペア:

[(1, 398153728), (2, 199076864), (4, 99538432), (7, 56879104), (8, 49769216), (14, 28439552), (16, 24884608), (28, 14219776), (32, 12442304), (56, 7109888), (64, 6221152), (112, 3554944), (128, 3110576), (224, 1777472), (256, 1555288), (448, 888736), (512, 777644), (896, 444368), (1024, 388822), (1792, 222184), (2048, 194411), (3584, 111092), (7168, 55546), (14336, 27773)]