16578947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 20832000

約数和(自身を除く): 4253053

約数列:

[1, 7, 11, 77, 139, 973, 1529, 1549, 10703, 10843, 17039, 119273, 215311, 1507177, 2368421, 16578947]

約数ペア:

[(1, 16578947), (7, 2368421), (11, 1507177), (77, 215311), (139, 119273), (973, 17039), (1529, 10843), (1549, 10703)]