28645988

素因数分解:

$2^2\times 7^3\times {\mathrm{20879}}^1$

素因数の和:20904

約数の個数: 24

約数和(自身を含む): 58464000

約数和(自身を除く): 29818012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 20879, 41758, 83516, 146153, 292306, 584612, 1023071, 2046142, 4092284, 7161497, 14322994, 28645988]

約数ペア:

[(1, 28645988), (2, 14322994), (4, 7161497), (7, 4092284), (14, 2046142), (28, 1023071), (49, 584612), (98, 292306), (196, 146153), (343, 83516), (686, 41758), (1372, 20879)]