1279129216

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{677}}^1$

素因数の和:1229

約数の個数: 64

約数和(自身を含む): 2645217000

約数和(自身を除く): 1366087784

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 509, 677, 928, 1018, 1354, 1856, 2036, 2708, 3712, 4072, 5416, 8144, 10832, 14761, 16288, 19633, 21664, 29522, 32576, 39266, 43328, 59044, 65152, 78532, 86656, 118088, 157064, 236176, 314128, 344593, 472352, 628256, 689186, 944704, 1256512, 1378372, 1889408, 2513024, 2756744, 5513488, 9993197, 11026976, 19986394, 22053952, 39972788, 44107904, 79945576, 159891152, 319782304, 639564608, 1279129216]

約数ペア:

[(1, 1279129216), (2, 639564608), (4, 319782304), (8, 159891152), (16, 79945576), (29, 44107904), (32, 39972788), (58, 22053952), (64, 19986394), (116, 11026976), (128, 9993197), (232, 5513488), (464, 2756744), (509, 2513024), (677, 1889408), (928, 1378372), (1018, 1256512), (1354, 944704), (1856, 689186), (2036, 628256), (2708, 472352), (3712, 344593), (4072, 314128), (5416, 236176), (8144, 157064), (10832, 118088), (14761, 86656), (16288, 78532), (19633, 65152), (21664, 59044), (29522, 43328), (32576, 39266)]