27681136

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2777}}^1$

素因数の和:2881

約数の個数: 40

約数和(自身を含む): 62004960

約数和(自身を除く): 34323824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2777, 4984, 5554, 9968, 11108, 19439, 22216, 38878, 44432, 77756, 155512, 247153, 311024, 494306, 988612, 1730071, 1977224, 3460142, 3954448, 6920284, 13840568, 27681136]

約数ペア:

[(1, 27681136), (2, 13840568), (4, 6920284), (7, 3954448), (8, 3460142), (14, 1977224), (16, 1730071), (28, 988612), (56, 494306), (89, 311024), (112, 247153), (178, 155512), (356, 77756), (623, 44432), (712, 38878), (1246, 22216), (1424, 19439), (2492, 11108), (2777, 9968), (4984, 5554)]