13178207

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{2053}}^1$

素因数の和:2198

約数の個数: 12

約数和(自身を含む): 15454296

約数和(自身を除く): 2276089

約数列:

[1, 7, 49, 131, 917, 2053, 6419, 14371, 100597, 268943, 1882601, 13178207]

約数ペア:

[(1, 13178207), (7, 1882601), (49, 268943), (131, 100597), (917, 14371), (2053, 6419)]