28127456

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 63705600

約数和(自身を除く): 35578144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 631, 796, 1262, 1393, 1592, 2524, 2786, 3184, 4417, 5048, 5572, 6368, 8834, 10096, 11144, 17668, 20192, 22288, 35336, 44576, 70672, 125569, 141344, 251138, 502276, 878983, 1004552, 1757966, 2009104, 3515932, 4018208, 7031864, 14063728, 28127456]

約数ペア:

[(1, 28127456), (2, 14063728), (4, 7031864), (7, 4018208), (8, 3515932), (14, 2009104), (16, 1757966), (28, 1004552), (32, 878983), (56, 502276), (112, 251138), (199, 141344), (224, 125569), (398, 70672), (631, 44576), (796, 35336), (1262, 22288), (1393, 20192), (1592, 17668), (2524, 11144), (2786, 10096), (3184, 8834), (4417, 6368), (5048, 5572)]