520437455

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 695236608

約数和(自身を除く): 174799153

約数列:

[1, 5, 19, 31, 71, 95, 131, 155, 355, 361, 589, 655, 1349, 1805, 2201, 2489, 2945, 4061, 6745, 9301, 11005, 11191, 12445, 20305, 25631, 41819, 46505, 47291, 55955, 77159, 128155, 176719, 209095, 236455, 288331, 385795, 794561, 883595, 1441655, 1466021, 3357661, 3972805, 5478289, 7330105, 16788305, 27391445, 104087491, 520437455]

約数ペア:

[(1, 520437455), (5, 104087491), (19, 27391445), (31, 16788305), (71, 7330105), (95, 5478289), (131, 3972805), (155, 3357661), (355, 1466021), (361, 1441655), (589, 883595), (655, 794561), (1349, 385795), (1805, 288331), (2201, 236455), (2489, 209095), (2945, 176719), (4061, 128155), (6745, 77159), (9301, 55955), (11005, 47291), (11191, 46505), (12445, 41819), (20305, 25631)]