643743672

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1753}}^1$

素因数の和:1893

約数の個数: 128

約数和(自身を含む): 1909474560

約数和(自身を除く): 1265730888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 107, 132, 143, 156, 214, 264, 286, 312, 321, 428, 429, 572, 642, 856, 858, 1144, 1177, 1284, 1391, 1716, 1753, 2354, 2568, 2782, 3432, 3506, 3531, 4173, 4708, 5259, 5564, 7012, 7062, 8346, 9416, 10518, 11128, 14024, 14124, 15301, 16692, 19283, 21036, 22789, 28248, 30602, 33384, 38566, 42072, 45578, 45903, 57849, 61204, 68367, 77132, 91156, 91806, 115698, 122408, 136734, 154264, 182312, 183612, 187571, 231396, 250679, 273468, 367224, 375142, 462792, 501358, 546936, 562713, 750284, 752037, 1002716, 1125426, 1500568, 1504074, 2005432, 2063281, 2250852, 2438423, 3008148, 4126562, 4501704, 4876846, 6016296, 6189843, 7315269, 8253124, 9753692, 12379686, 14630538, 16506248, 19507384, 24759372, 26822653, 29261076, 49518744, 53645306, 58522152, 80467959, 107290612, 160935918, 214581224, 321871836, 643743672]

約数ペア:

[(1, 643743672), (2, 321871836), (3, 214581224), (4, 160935918), (6, 107290612), (8, 80467959), (11, 58522152), (12, 53645306), (13, 49518744), (22, 29261076), (24, 26822653), (26, 24759372), (33, 19507384), (39, 16506248), (44, 14630538), (52, 12379686), (66, 9753692), (78, 8253124), (88, 7315269), (104, 6189843), (107, 6016296), (132, 4876846), (143, 4501704), (156, 4126562), (214, 3008148), (264, 2438423), (286, 2250852), (312, 2063281), (321, 2005432), (428, 1504074), (429, 1500568), (572, 1125426), (642, 1002716), (856, 752037), (858, 750284), (1144, 562713), (1177, 546936), (1284, 501358), (1391, 462792), (1716, 375142), (1753, 367224), (2354, 273468), (2568, 250679), (2782, 231396), (3432, 187571), (3506, 183612), (3531, 182312), (4173, 154264), (4708, 136734), (5259, 122408), (5564, 115698), (7012, 91806), (7062, 91156), (8346, 77132), (9416, 68367), (10518, 61204), (11128, 57849), (14024, 45903), (14124, 45578), (15301, 42072), (16692, 38566), (19283, 33384), (21036, 30602), (22789, 28248)]