81326453

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 95347224

約数和(自身を除く): 14020771

約数列:

[1, 13, 17, 71, 73, 221, 923, 949, 1207, 1241, 5041, 5183, 15691, 16133, 65533, 67379, 85697, 88111, 367993, 1114061, 1145443, 4783909, 6255881, 81326453]

約数ペア:

[(1, 81326453), (13, 6255881), (17, 4783909), (71, 1145443), (73, 1114061), (221, 367993), (923, 88111), (949, 85697), (1207, 67379), (1241, 65533), (5041, 16133), (5183, 15691)]