51310735

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 77248512

約数和(自身を除く): 25937777

約数列:

[1, 5, 7, 19, 31, 35, 95, 131, 133, 155, 217, 361, 589, 655, 665, 917, 1085, 1805, 2489, 2527, 2945, 4061, 4123, 4585, 11191, 12445, 12635, 17423, 20305, 20615, 28427, 47291, 55955, 77159, 78337, 87115, 142135, 236455, 331037, 385795, 391685, 540113, 1466021, 1655185, 2700565, 7330105, 10262147, 51310735]

約数ペア:

[(1, 51310735), (5, 10262147), (7, 7330105), (19, 2700565), (31, 1655185), (35, 1466021), (95, 540113), (131, 391685), (133, 385795), (155, 331037), (217, 236455), (361, 142135), (589, 87115), (655, 78337), (665, 77159), (917, 55955), (1085, 47291), (1805, 28427), (2489, 20615), (2527, 20305), (2945, 17423), (4061, 12635), (4123, 12445), (4585, 11191)]