28279216

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2837}}^1$

素因数の和:2941

約数の個数: 40

約数和(自身を含む): 63344160

約数和(自身を除く): 35064944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2837, 4984, 5674, 9968, 11348, 19859, 22696, 39718, 45392, 79436, 158872, 252493, 317744, 504986, 1009972, 1767451, 2019944, 3534902, 4039888, 7069804, 14139608, 28279216]

約数ペア:

[(1, 28279216), (2, 14139608), (4, 7069804), (7, 4039888), (8, 3534902), (14, 2019944), (16, 1767451), (28, 1009972), (56, 504986), (89, 317744), (112, 252493), (178, 158872), (356, 79436), (623, 45392), (712, 39718), (1246, 22696), (1424, 19859), (2492, 11348), (2837, 9968), (4984, 5674)]