208022217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1193}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 317737728

約数和(自身を除く): 109715511

約数列:

[1, 3, 13, 17, 39, 51, 221, 263, 663, 789, 1193, 3419, 3579, 4471, 10257, 13413, 15509, 20281, 46527, 58123, 60843, 174369, 263653, 313759, 790959, 941277, 4078867, 5333903, 12236601, 16001709, 69340739, 208022217]

約数ペア:

[(1, 208022217), (3, 69340739), (13, 16001709), (17, 12236601), (39, 5333903), (51, 4078867), (221, 941277), (263, 790959), (663, 313759), (789, 263653), (1193, 174369), (3419, 60843), (3579, 58123), (4471, 46527), (10257, 20281), (13413, 15509)]