138867988

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{18301}}^1$

素因数の和:18583

約数の個数: 24

約数和(自身を含む): 278776064

約数和(自身を除く): 139908076

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 3794, 7588, 18301, 36602, 73204, 128107, 256214, 512428, 4959571, 9919142, 19838284, 34716997, 69433994, 138867988]

約数ペア:

[(1, 138867988), (2, 69433994), (4, 34716997), (7, 19838284), (14, 9919142), (28, 4959571), (271, 512428), (542, 256214), (1084, 128107), (1897, 73204), (3794, 36602), (7588, 18301)]