28256172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{937}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 75640320

約数和(自身を除く): 47384148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 359, 718, 937, 1077, 1436, 1874, 2154, 2513, 2811, 3748, 4308, 5026, 5622, 6559, 7539, 10052, 11244, 13118, 15078, 19677, 26236, 30156, 39354, 78708, 336383, 672766, 1009149, 1345532, 2018298, 2354681, 4036596, 4709362, 7064043, 9418724, 14128086, 28256172]

約数ペア:

[(1, 28256172), (2, 14128086), (3, 9418724), (4, 7064043), (6, 4709362), (7, 4036596), (12, 2354681), (14, 2018298), (21, 1345532), (28, 1009149), (42, 672766), (84, 336383), (359, 78708), (718, 39354), (937, 30156), (1077, 26236), (1436, 19677), (1874, 15078), (2154, 13118), (2513, 11244), (2811, 10052), (3748, 7539), (4308, 6559), (5026, 5622)]