28741216

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4187

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 38028704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 4139, 6944, 8278, 16556, 28973, 33112, 57946, 66224, 115892, 128309, 132448, 231784, 256618, 463568, 513236, 898163, 927136, 1026472, 1796326, 2052944, 3592652, 4105888, 7185304, 14370608, 28741216]

約数ペア:

[(1, 28741216), (2, 14370608), (4, 7185304), (7, 4105888), (8, 3592652), (14, 2052944), (16, 1796326), (28, 1026472), (31, 927136), (32, 898163), (56, 513236), (62, 463568), (112, 256618), (124, 231784), (217, 132448), (224, 128309), (248, 115892), (434, 66224), (496, 57946), (868, 33112), (992, 28973), (1736, 16556), (3472, 8278), (4139, 6944)]