208066885

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 285152256

約数和(自身を除く): 77085371

約数列:

[1, 5, 13, 31, 47, 65, 155, 169, 235, 403, 611, 845, 1457, 2015, 2197, 3055, 5239, 7285, 7943, 10985, 18941, 26195, 28561, 39715, 68107, 94705, 103259, 142805, 246233, 340535, 516295, 885391, 1231165, 1342367, 3201029, 4426955, 6711835, 16005145, 41613377, 208066885]

約数ペア:

[(1, 208066885), (5, 41613377), (13, 16005145), (31, 6711835), (47, 4426955), (65, 3201029), (155, 1342367), (169, 1231165), (235, 885391), (403, 516295), (611, 340535), (845, 246233), (1457, 142805), (2015, 103259), (2197, 94705), (3055, 68107), (5239, 39715), (7285, 28561), (7943, 26195), (10985, 18941)]