639596672

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 1518592320

約数和(自身を除く): 878995648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 83, 88, 104, 128, 143, 166, 176, 208, 286, 332, 352, 416, 421, 572, 664, 704, 832, 842, 913, 1079, 1144, 1328, 1408, 1664, 1684, 1826, 2158, 2288, 2656, 3368, 3652, 4316, 4576, 4631, 5312, 5473, 6736, 7304, 8632, 9152, 9262, 10624, 10946, 11869, 13472, 14608, 17264, 18304, 18524, 21892, 23738, 26944, 29216, 34528, 34943, 37048, 43784, 47476, 53888, 58432, 60203, 69056, 69886, 74096, 87568, 94952, 116864, 120406, 138112, 139772, 148192, 175136, 189904, 240812, 279544, 296384, 350272, 379808, 384373, 454259, 481624, 559088, 592768, 700544, 759616, 768746, 908518, 963248, 1118176, 1519232, 1537492, 1817036, 1926496, 2236352, 3074984, 3634072, 3852992, 4472704, 4996849, 6149968, 7268144, 7705984, 9993698, 12299936, 14536288, 19987396, 24599872, 29072576, 39974792, 49199744, 58145152, 79949584, 159899168, 319798336, 639596672]

約数ペア:

[(1, 639596672), (2, 319798336), (4, 159899168), (8, 79949584), (11, 58145152), (13, 49199744), (16, 39974792), (22, 29072576), (26, 24599872), (32, 19987396), (44, 14536288), (52, 12299936), (64, 9993698), (83, 7705984), (88, 7268144), (104, 6149968), (128, 4996849), (143, 4472704), (166, 3852992), (176, 3634072), (208, 3074984), (286, 2236352), (332, 1926496), (352, 1817036), (416, 1537492), (421, 1519232), (572, 1118176), (664, 963248), (704, 908518), (832, 768746), (842, 759616), (913, 700544), (1079, 592768), (1144, 559088), (1328, 481624), (1408, 454259), (1664, 384373), (1684, 379808), (1826, 350272), (2158, 296384), (2288, 279544), (2656, 240812), (3368, 189904), (3652, 175136), (4316, 148192), (4576, 139772), (4631, 138112), (5312, 120406), (5473, 116864), (6736, 94952), (7304, 87568), (8632, 74096), (9152, 69886), (9262, 69056), (10624, 60203), (10946, 58432), (11869, 53888), (13472, 47476), (14608, 43784), (17264, 37048), (18304, 34943), (18524, 34528), (21892, 29216), (23738, 26944)]