81378311

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{863}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 98150400

約数和(自身を除く): 16772089

約数列:

[1, 7, 19, 133, 709, 863, 4963, 6041, 13471, 16397, 94297, 114779, 611867, 4283069, 11625473, 81378311]

約数ペア:

[(1, 81378311), (7, 11625473), (19, 4283069), (133, 611867), (709, 114779), (863, 94297), (4963, 16397), (6041, 13471)]