8155686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 20643840

約数和(自身を除く): 12488154

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 127, 139, 154, 231, 254, 278, 381, 417, 462, 762, 834, 889, 973, 1397, 1529, 1778, 1946, 2667, 2794, 2919, 3058, 4191, 4587, 5334, 5838, 8382, 9174, 9779, 10703, 17653, 19558, 21406, 29337, 32109, 35306, 52959, 58674, 64218, 105918, 123571, 194183, 247142, 370713, 388366, 582549, 741426, 1165098, 1359281, 2718562, 4077843, 8155686]

約数ペア:

[(1, 8155686), (2, 4077843), (3, 2718562), (6, 1359281), (7, 1165098), (11, 741426), (14, 582549), (21, 388366), (22, 370713), (33, 247142), (42, 194183), (66, 123571), (77, 105918), (127, 64218), (139, 58674), (154, 52959), (231, 35306), (254, 32109), (278, 29337), (381, 21406), (417, 19558), (462, 17653), (762, 10703), (834, 9779), (889, 9174), (973, 8382), (1397, 5838), (1529, 5334), (1778, 4587), (1946, 4191), (2667, 3058), (2794, 2919)]