208212563

素因数分解:

${\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 231897600

約数和(自身を除く): 23685037

約数列:

[1, 13, 89, 109, 127, 169, 1157, 1417, 1651, 9701, 11303, 13843, 15041, 18421, 21463, 126113, 146939, 179959, 1232027, 1639469, 1910207, 2339467, 16016351, 208212563]

約数ペア:

[(1, 208212563), (13, 16016351), (89, 2339467), (109, 1910207), (127, 1639469), (169, 1232027), (1157, 179959), (1417, 146939), (1651, 126113), (9701, 21463), (11303, 18421), (13843, 15041)]