666427456

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:699

約数の個数: 56

約数和(自身を含む): 1341489824

約数和(自身を除く): 675062368

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 193, 326, 331, 386, 652, 662, 772, 1304, 1324, 1544, 2608, 2648, 3088, 5216, 5296, 6176, 10432, 10592, 12352, 21184, 31459, 53953, 62918, 63883, 107906, 125836, 127766, 215812, 251672, 255532, 431624, 503344, 511064, 863248, 1006688, 1022128, 1726496, 2013376, 2044256, 3452992, 4088512, 10412929, 20825858, 41651716, 83303432, 166606864, 333213728, 666427456]

約数ペア:

[(1, 666427456), (2, 333213728), (4, 166606864), (8, 83303432), (16, 41651716), (32, 20825858), (64, 10412929), (163, 4088512), (193, 3452992), (326, 2044256), (331, 2013376), (386, 1726496), (652, 1022128), (662, 1006688), (772, 863248), (1304, 511064), (1324, 503344), (1544, 431624), (2608, 255532), (2648, 251672), (3088, 215812), (5216, 127766), (5296, 125836), (6176, 107906), (10432, 63883), (10592, 62918), (12352, 53953), (21184, 31459)]