256528384

素因数分解:

$2^{12}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 104

約数和(自身を含む): 613342080

約数和(自身を除く): 356813696

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 389, 448, 512, 644, 736, 778, 896, 1024, 1288, 1472, 1556, 1792, 2048, 2576, 2723, 2944, 3112, 3584, 4096, 5152, 5446, 5888, 6224, 7168, 8947, 10304, 10892, 11776, 12448, 14336, 17894, 20608, 21784, 23552, 24896, 28672, 35788, 41216, 43568, 47104, 49792, 62629, 71576, 82432, 87136, 94208, 99584, 125258, 143152, 164864, 174272, 199168, 250516, 286304, 329728, 348544, 398336, 501032, 572608, 659456, 697088, 796672, 1002064, 1145216, 1394176, 1593344, 2004128, 2290432, 2788352, 4008256, 4580864, 5576704, 8016512, 9161728, 11153408, 16033024, 18323456, 32066048, 36646912, 64132096, 128264192, 256528384]

約数ペア:

[(1, 256528384), (2, 128264192), (4, 64132096), (7, 36646912), (8, 32066048), (14, 18323456), (16, 16033024), (23, 11153408), (28, 9161728), (32, 8016512), (46, 5576704), (56, 4580864), (64, 4008256), (92, 2788352), (112, 2290432), (128, 2004128), (161, 1593344), (184, 1394176), (224, 1145216), (256, 1002064), (322, 796672), (368, 697088), (389, 659456), (448, 572608), (512, 501032), (644, 398336), (736, 348544), (778, 329728), (896, 286304), (1024, 250516), (1288, 199168), (1472, 174272), (1556, 164864), (1792, 143152), (2048, 125258), (2576, 99584), (2723, 94208), (2944, 87136), (3112, 82432), (3584, 71576), (4096, 62629), (5152, 49792), (5446, 47104), (5888, 43568), (6224, 41216), (7168, 35788), (8947, 28672), (10304, 24896), (10892, 23552), (11776, 21784), (12448, 20608), (14336, 17894)]