643977216

素因数分解:

$2^{12}\times 3^5\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 156

約数和(自身を含む): 1932027552

約数和(自身を除く): 1288050336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 647, 648, 768, 864, 972, 1024, 1152, 1294, 1296, 1536, 1728, 1941, 1944, 2048, 2304, 2588, 2592, 3072, 3456, 3882, 3888, 4096, 4608, 5176, 5184, 5823, 6144, 6912, 7764, 7776, 9216, 10352, 10368, 11646, 12288, 13824, 15528, 15552, 17469, 18432, 20704, 20736, 23292, 27648, 31056, 31104, 34938, 36864, 41408, 41472, 46584, 52407, 55296, 62112, 62208, 69876, 82816, 82944, 93168, 104814, 110592, 124224, 124416, 139752, 157221, 165632, 165888, 186336, 209628, 248448, 248832, 279504, 314442, 331264, 331776, 372672, 419256, 496896, 497664, 559008, 628884, 662528, 745344, 838512, 993792, 995328, 1118016, 1257768, 1325056, 1490688, 1677024, 1987584, 2236032, 2515536, 2650112, 2981376, 3354048, 3975168, 4472064, 5031072, 5962752, 6708096, 7950336, 8944128, 10062144, 11925504, 13416192, 17888256, 20124288, 23851008, 26832384, 35776512, 40248576, 53664768, 71553024, 80497152, 107329536, 160994304, 214659072, 321988608, 643977216]

約数ペア:

[(1, 643977216), (2, 321988608), (3, 214659072), (4, 160994304), (6, 107329536), (8, 80497152), (9, 71553024), (12, 53664768), (16, 40248576), (18, 35776512), (24, 26832384), (27, 23851008), (32, 20124288), (36, 17888256), (48, 13416192), (54, 11925504), (64, 10062144), (72, 8944128), (81, 7950336), (96, 6708096), (108, 5962752), (128, 5031072), (144, 4472064), (162, 3975168), (192, 3354048), (216, 2981376), (243, 2650112), (256, 2515536), (288, 2236032), (324, 1987584), (384, 1677024), (432, 1490688), (486, 1325056), (512, 1257768), (576, 1118016), (647, 995328), (648, 993792), (768, 838512), (864, 745344), (972, 662528), (1024, 628884), (1152, 559008), (1294, 497664), (1296, 496896), (1536, 419256), (1728, 372672), (1941, 331776), (1944, 331264), (2048, 314442), (2304, 279504), (2588, 248832), (2592, 248448), (3072, 209628), (3456, 186336), (3882, 165888), (3888, 165632), (4096, 157221), (4608, 139752), (5176, 124416), (5184, 124224), (5823, 110592), (6144, 104814), (6912, 93168), (7764, 82944), (7776, 82816), (9216, 69876), (10352, 62208), (10368, 62112), (11646, 55296), (12288, 52407), (13824, 46584), (15528, 41472), (15552, 41408), (17469, 36864), (18432, 34938), (20704, 31104), (20736, 31056), (23292, 27648)]