428820223

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 494373152

約数和(自身を除く): 65552929

約数列:

[1, 13, 17, 157, 221, 289, 727, 2041, 2669, 3757, 9451, 12359, 34697, 45373, 114139, 160667, 210103, 589849, 1483807, 1940363, 2731339, 25224719, 32986171, 428820223]

約数ペア:

[(1, 428820223), (13, 32986171), (17, 25224719), (157, 2731339), (221, 1940363), (289, 1483807), (727, 589849), (2041, 210103), (2669, 160667), (3757, 114139), (9451, 45373), (12359, 34697)]