239968001

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 301256064

約数和(自身を除く): 61288063

約数列:

[1, 7, 13, 71, 91, 169, 497, 923, 1183, 2857, 6461, 11999, 19999, 37141, 83993, 202847, 259987, 482833, 1419929, 2637011, 3379831, 18459077, 34281143, 239968001]

約数ペア:

[(1, 239968001), (7, 34281143), (13, 18459077), (71, 3379831), (91, 2637011), (169, 1419929), (497, 482833), (923, 259987), (1183, 202847), (2857, 83993), (6461, 37141), (11999, 19999)]