637495794

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38371}}^1$

素因数の和:38463

約数の個数: 48

約数和(自身を含む): 1508480064

約数和(自身を除く): 870984270

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 38371, 76742, 115113, 230226, 345339, 498823, 690678, 997646, 1496469, 2724341, 2992938, 4489407, 5448682, 8173023, 8978814, 16346046, 24519069, 35416433, 49038138, 70832866, 106249299, 212498598, 318747897, 637495794]

約数ペア:

[(1, 637495794), (2, 318747897), (3, 212498598), (6, 106249299), (9, 70832866), (13, 49038138), (18, 35416433), (26, 24519069), (39, 16346046), (71, 8978814), (78, 8173023), (117, 5448682), (142, 4489407), (213, 2992938), (234, 2724341), (426, 1496469), (639, 997646), (923, 690678), (1278, 498823), (1846, 345339), (2769, 230226), (5538, 115113), (8307, 76742), (16614, 38371)]