211456

素因数分解:

$2^9\times 7^1\times {\mathrm{59}}^1$

素因数の和:84

約数の個数: 40

約数和(自身を含む): 491040

約数和(自身を除く): 279584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 128, 224, 236, 256, 413, 448, 472, 512, 826, 896, 944, 1652, 1792, 1888, 3304, 3584, 3776, 6608, 7552, 13216, 15104, 26432, 30208, 52864, 105728, 211456]

約数ペア:

[(1, 211456), (2, 105728), (4, 52864), (7, 30208), (8, 26432), (14, 15104), (16, 13216), (28, 7552), (32, 6608), (56, 3776), (59, 3584), (64, 3304), (112, 1888), (118, 1792), (128, 1652), (224, 944), (236, 896), (256, 826), (413, 512), (448, 472)]