28989968

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 66156480

約数和(自身を除く): 37166512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 112, 196, 206, 359, 392, 412, 718, 721, 784, 824, 1436, 1442, 1648, 2513, 2872, 2884, 5026, 5047, 5744, 5768, 10052, 10094, 11536, 17591, 20104, 20188, 35182, 36977, 40208, 40376, 70364, 73954, 80752, 140728, 147908, 258839, 281456, 295816, 517678, 591632, 1035356, 1811873, 2070712, 3623746, 4141424, 7247492, 14494984, 28989968]

約数ペア:

[(1, 28989968), (2, 14494984), (4, 7247492), (7, 4141424), (8, 3623746), (14, 2070712), (16, 1811873), (28, 1035356), (49, 591632), (56, 517678), (98, 295816), (103, 281456), (112, 258839), (196, 147908), (206, 140728), (359, 80752), (392, 73954), (412, 70364), (718, 40376), (721, 40208), (784, 36977), (824, 35182), (1436, 20188), (1442, 20104), (1648, 17591), (2513, 11536), (2872, 10094), (2884, 10052), (5026, 5768), (5047, 5744)]