138697286

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 270397872

約数和(自身を除く): 131700586

約数列:

[1, 2, 7, 13, 14, 26, 31, 61, 62, 91, 122, 169, 182, 217, 338, 403, 427, 434, 793, 806, 854, 961, 1183, 1586, 1891, 1922, 2366, 2821, 3782, 5239, 5551, 5642, 6727, 10309, 10478, 11102, 12493, 13237, 13454, 20618, 24583, 24986, 26474, 36673, 49166, 58621, 72163, 73346, 87451, 117242, 144326, 162409, 172081, 174902, 319579, 324818, 344162, 410347, 639158, 762073, 820694, 1136863, 1524146, 2237053, 2273726, 4474106, 5334511, 9906949, 10669022, 19813898, 69348643, 138697286]

約数ペア:

[(1, 138697286), (2, 69348643), (7, 19813898), (13, 10669022), (14, 9906949), (26, 5334511), (31, 4474106), (61, 2273726), (62, 2237053), (91, 1524146), (122, 1136863), (169, 820694), (182, 762073), (217, 639158), (338, 410347), (403, 344162), (427, 324818), (434, 319579), (793, 174902), (806, 172081), (854, 162409), (961, 144326), (1183, 117242), (1586, 87451), (1891, 73346), (1922, 72163), (2366, 58621), (2821, 49166), (3782, 36673), (5239, 26474), (5551, 24986), (5642, 24583), (6727, 20618), (10309, 13454), (10478, 13237), (11102, 12493)]