209192185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 274821120

約数和(自身を除く): 65628935

約数列:

[1, 5, 19, 31, 95, 155, 251, 283, 589, 1255, 1415, 2945, 4769, 5377, 7781, 8773, 23845, 26885, 38905, 43865, 71033, 147839, 166687, 355165, 739195, 833435, 1349627, 2202023, 6748135, 11010115, 41838437, 209192185]

約数ペア:

[(1, 209192185), (5, 41838437), (19, 11010115), (31, 6748135), (95, 2202023), (155, 1349627), (251, 833435), (283, 739195), (589, 355165), (1255, 166687), (1415, 147839), (2945, 71033), (4769, 43865), (5377, 38905), (7781, 26885), (8773, 23845)]