1217503885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{3343}}^1$

素因数の和:3805

約数の個数: 24

約数和(自身を含む): 1586179584

約数和(自身を除く): 368675699

約数列:

[1, 5, 13, 65, 169, 431, 845, 2155, 3343, 5603, 16715, 28015, 43459, 72839, 217295, 364195, 564967, 1440833, 2824835, 7204165, 18730829, 93654145, 243500777, 1217503885]

約数ペア:

[(1, 1217503885), (5, 243500777), (13, 93654145), (65, 18730829), (169, 7204165), (431, 2824835), (845, 1440833), (2155, 564967), (3343, 364195), (5603, 217295), (16715, 72839), (28015, 43459)]