557809505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 808427520

約数和(自身を除く): 250618015

約数列:

[1, 5, 11, 19, 31, 55, 67, 95, 155, 209, 257, 335, 341, 589, 737, 1045, 1273, 1285, 1705, 2077, 2827, 2945, 3685, 4883, 6365, 6479, 7967, 10385, 14003, 14135, 17219, 22847, 24415, 32395, 39463, 39835, 53713, 70015, 86095, 87637, 114235, 151373, 189409, 197315, 268565, 327161, 434093, 438185, 533789, 756865, 947045, 1635805, 1665103, 2170465, 2668945, 3598771, 5871679, 8325515, 10141991, 17993855, 29358395, 50709955, 111561901, 557809505]

約数ペア:

[(1, 557809505), (5, 111561901), (11, 50709955), (19, 29358395), (31, 17993855), (55, 10141991), (67, 8325515), (95, 5871679), (155, 3598771), (209, 2668945), (257, 2170465), (335, 1665103), (341, 1635805), (589, 947045), (737, 756865), (1045, 533789), (1273, 438185), (1285, 434093), (1705, 327161), (2077, 268565), (2827, 197315), (2945, 189409), (3685, 151373), (4883, 114235), (6365, 87637), (6479, 86095), (7967, 70015), (10385, 53713), (14003, 39835), (14135, 39463), (17219, 32395), (22847, 24415)]