28480049

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 34152192

約数和(自身を除く): 5672143

約数列:

[1, 13, 17, 23, 169, 221, 299, 391, 431, 2873, 3887, 5083, 5603, 7327, 9913, 66079, 72839, 95251, 128869, 168521, 1238263, 1675297, 2190773, 28480049]

約数ペア:

[(1, 28480049), (13, 2190773), (17, 1675297), (23, 1238263), (169, 168521), (221, 128869), (299, 95251), (391, 72839), (431, 66079), (2873, 9913), (3887, 7327), (5083, 5603)]