201561954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 449003520

約数和(自身を除く): 247441566

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 127, 139, 173, 254, 278, 346, 381, 417, 519, 762, 834, 1038, 1397, 1529, 1903, 2794, 3058, 3806, 4191, 4587, 5709, 8382, 9174, 11418, 17653, 21971, 24047, 35306, 43942, 48094, 52959, 65913, 72141, 105918, 131826, 144282, 194183, 241681, 264517, 388366, 483362, 529034, 582549, 725043, 793551, 1165098, 1450086, 1587102, 3053969, 6107938, 9161907, 18323814, 33593659, 67187318, 100780977, 201561954]

約数ペア:

[(1, 201561954), (2, 100780977), (3, 67187318), (6, 33593659), (11, 18323814), (22, 9161907), (33, 6107938), (66, 3053969), (127, 1587102), (139, 1450086), (173, 1165098), (254, 793551), (278, 725043), (346, 582549), (381, 529034), (417, 483362), (519, 388366), (762, 264517), (834, 241681), (1038, 194183), (1397, 144282), (1529, 131826), (1903, 105918), (2794, 72141), (3058, 65913), (3806, 52959), (4191, 48094), (4587, 43942), (5709, 35306), (8382, 24047), (9174, 21971), (11418, 17653)]