81481616

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{29437}}^1$

素因数の和:29618

約数の個数: 20

約数和(自身を含む): 158788572

約数和(自身を除く): 77306956

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 29437, 58874, 117748, 235496, 470992, 5092601, 10185202, 20370404, 40740808, 81481616]

約数ペア:

[(1, 81481616), (2, 40740808), (4, 20370404), (8, 10185202), (16, 5092601), (173, 470992), (346, 235496), (692, 117748), (1384, 58874), (2768, 29437)]