28230272

素因数分解:

$2^7\times 7^3\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 65688000

約数和(自身を除く): 37457728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 643, 686, 784, 896, 1286, 1372, 1568, 2572, 2744, 3136, 4501, 5144, 5488, 6272, 9002, 10288, 10976, 18004, 20576, 21952, 31507, 36008, 41152, 43904, 63014, 72016, 82304, 126028, 144032, 220549, 252056, 288064, 441098, 504112, 576128, 882196, 1008224, 1764392, 2016448, 3528784, 4032896, 7057568, 14115136, 28230272]

約数ペア:

[(1, 28230272), (2, 14115136), (4, 7057568), (7, 4032896), (8, 3528784), (14, 2016448), (16, 1764392), (28, 1008224), (32, 882196), (49, 576128), (56, 504112), (64, 441098), (98, 288064), (112, 252056), (128, 220549), (196, 144032), (224, 126028), (343, 82304), (392, 72016), (448, 63014), (643, 43904), (686, 41152), (784, 36008), (896, 31507), (1286, 21952), (1372, 20576), (1568, 18004), (2572, 10976), (2744, 10288), (3136, 9002), (4501, 6272), (5144, 5488)]