127715984

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1680

約数の個数: 60

約数和(自身を含む): 278797260

約数和(自身を除く): 151081276

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 121, 164, 176, 242, 328, 451, 484, 656, 902, 968, 1609, 1804, 1936, 3218, 3608, 4961, 6436, 7216, 9922, 12872, 17699, 19844, 25744, 35398, 39688, 65969, 70796, 79376, 131938, 141592, 194689, 263876, 283184, 389378, 527752, 725659, 778756, 1055504, 1451318, 1557512, 2902636, 3115024, 5805272, 7982249, 11610544, 15964498, 31928996, 63857992, 127715984]

約数ペア:

[(1, 127715984), (2, 63857992), (4, 31928996), (8, 15964498), (11, 11610544), (16, 7982249), (22, 5805272), (41, 3115024), (44, 2902636), (82, 1557512), (88, 1451318), (121, 1055504), (164, 778756), (176, 725659), (242, 527752), (328, 389378), (451, 283184), (484, 263876), (656, 194689), (902, 141592), (968, 131938), (1609, 79376), (1804, 70796), (1936, 65969), (3218, 39688), (3608, 35398), (4961, 25744), (6436, 19844), (7216, 17699), (9922, 12872)]