1285999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 1672272

約数和(自身を除く): 386273

約数列:

[1, 11, 13, 17, 23, 143, 187, 221, 253, 299, 391, 529, 2431, 3289, 4301, 5083, 5819, 6877, 8993, 55913, 75647, 98923, 116909, 1285999]

約数ペア:

[(1, 1285999), (11, 116909), (13, 98923), (17, 75647), (23, 55913), (143, 8993), (187, 6877), (221, 5819), (253, 5083), (299, 4301), (391, 3289), (529, 2431)]