28171136

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1411

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 38806144

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1288, 1367, 1472, 2576, 2734, 2944, 5152, 5468, 9569, 10304, 10936, 19138, 20608, 21872, 31441, 38276, 43744, 62882, 76552, 87488, 125764, 153104, 174976, 220087, 251528, 306208, 440174, 503056, 612416, 880348, 1006112, 1224832, 1760696, 2012224, 3521392, 4024448, 7042784, 14085568, 28171136]

約数ペア:

[(1, 28171136), (2, 14085568), (4, 7042784), (7, 4024448), (8, 3521392), (14, 2012224), (16, 1760696), (23, 1224832), (28, 1006112), (32, 880348), (46, 612416), (56, 503056), (64, 440174), (92, 306208), (112, 251528), (128, 220087), (161, 174976), (184, 153104), (224, 125764), (322, 87488), (368, 76552), (448, 62882), (644, 43744), (736, 38276), (896, 31441), (1288, 21872), (1367, 20608), (1472, 19138), (2576, 10936), (2734, 10304), (2944, 9569), (5152, 5468)]