81358291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{16301}}^1$

素因数の和:16362

約数の個数: 16

約数和(自身を含む): 100159488

約数和(自身を除く): 18801197

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 16301, 114107, 374923, 505331, 2624461, 3537317, 11622613, 81358291]

約数ペア:

[(1, 81358291), (7, 11622613), (23, 3537317), (31, 2624461), (161, 505331), (217, 374923), (713, 114107), (4991, 16301)]