28790244

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:902

約数の個数: 108

約数和(自身を含む): 89216400

約数和(自身を除く): 60426156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 399, 441, 532, 588, 684, 798, 859, 882, 931, 1197, 1596, 1718, 1764, 1862, 2394, 2577, 2793, 3436, 3724, 4788, 5154, 5586, 6013, 7731, 8379, 10308, 11172, 12026, 15462, 16321, 16758, 18039, 24052, 30924, 32642, 33516, 36078, 42091, 48963, 54117, 65284, 72156, 84182, 97926, 108234, 114247, 126273, 146889, 168364, 195852, 216468, 228494, 252546, 293778, 342741, 378819, 456988, 505092, 587556, 685482, 757638, 799729, 1028223, 1370964, 1515276, 1599458, 2056446, 2399187, 3198916, 4112892, 4798374, 7197561, 9596748, 14395122, 28790244]

約数ペア:

[(1, 28790244), (2, 14395122), (3, 9596748), (4, 7197561), (6, 4798374), (7, 4112892), (9, 3198916), (12, 2399187), (14, 2056446), (18, 1599458), (19, 1515276), (21, 1370964), (28, 1028223), (36, 799729), (38, 757638), (42, 685482), (49, 587556), (57, 505092), (63, 456988), (76, 378819), (84, 342741), (98, 293778), (114, 252546), (126, 228494), (133, 216468), (147, 195852), (171, 168364), (196, 146889), (228, 126273), (252, 114247), (266, 108234), (294, 97926), (342, 84182), (399, 72156), (441, 65284), (532, 54117), (588, 48963), (684, 42091), (798, 36078), (859, 33516), (882, 32642), (931, 30924), (1197, 24052), (1596, 18039), (1718, 16758), (1764, 16321), (1862, 15462), (2394, 12026), (2577, 11172), (2793, 10308), (3436, 8379), (3724, 7731), (4788, 6013), (5154, 5586)]