28578368

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:740

約数の個数: 84

約数和(自身を含む): 71144892

約数和(自身を除く): 42566524

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 701, 728, 784, 832, 1274, 1402, 1456, 1568, 2548, 2804, 2912, 3136, 4907, 5096, 5608, 5824, 9113, 9814, 10192, 11216, 18226, 19628, 20384, 22432, 34349, 36452, 39256, 40768, 44864, 63791, 68698, 72904, 78512, 127582, 137396, 145808, 157024, 255164, 274792, 291616, 314048, 446537, 510328, 549584, 583232, 893074, 1020656, 1099168, 1786148, 2041312, 2198336, 3572296, 4082624, 7144592, 14289184, 28578368]

約数ペア:

[(1, 28578368), (2, 14289184), (4, 7144592), (7, 4082624), (8, 3572296), (13, 2198336), (14, 2041312), (16, 1786148), (26, 1099168), (28, 1020656), (32, 893074), (49, 583232), (52, 549584), (56, 510328), (64, 446537), (91, 314048), (98, 291616), (104, 274792), (112, 255164), (182, 157024), (196, 145808), (208, 137396), (224, 127582), (364, 78512), (392, 72904), (416, 68698), (448, 63791), (637, 44864), (701, 40768), (728, 39256), (784, 36452), (832, 34349), (1274, 22432), (1402, 20384), (1456, 19628), (1568, 18226), (2548, 11216), (2804, 10192), (2912, 9814), (3136, 9113), (4907, 5824), (5096, 5608)]