28509824

素因数分解:

$2^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 66389760

約数和(自身を除く): 37879936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 329, 376, 448, 658, 677, 752, 896, 1316, 1354, 1504, 2632, 2708, 3008, 4739, 5264, 5416, 6016, 9478, 10528, 10832, 18956, 21056, 21664, 31819, 37912, 42112, 43328, 63638, 75824, 86656, 127276, 151648, 222733, 254552, 303296, 445466, 509104, 606592, 890932, 1018208, 1781864, 2036416, 3563728, 4072832, 7127456, 14254912, 28509824]

約数ペア:

[(1, 28509824), (2, 14254912), (4, 7127456), (7, 4072832), (8, 3563728), (14, 2036416), (16, 1781864), (28, 1018208), (32, 890932), (47, 606592), (56, 509104), (64, 445466), (94, 303296), (112, 254552), (128, 222733), (188, 151648), (224, 127276), (329, 86656), (376, 75824), (448, 63638), (658, 43328), (677, 42112), (752, 37912), (896, 31819), (1316, 21664), (1354, 21056), (1504, 18956), (2632, 10832), (2708, 10528), (3008, 9478), (4739, 6016), (5264, 5416)]