28469448

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 128

約数和(自身を含む): 95232000

約数和(自身を除く): 66762552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 991, 1026, 1064, 1197, 1368, 1512, 1596, 1982, 2052, 2394, 2973, 3192, 3591, 3964, 4104, 4788, 5946, 6937, 7182, 7928, 8919, 9576, 11892, 13874, 14364, 17838, 18829, 20811, 23784, 26757, 27748, 28728, 35676, 37658, 41622, 53514, 55496, 56487, 62433, 71352, 75316, 83244, 107028, 112974, 124866, 131803, 150632, 166488, 169461, 187299, 214056, 225948, 249732, 263606, 338922, 374598, 395409, 451896, 499464, 508383, 527212, 677844, 749196, 790818, 1016766, 1054424, 1186227, 1355688, 1498392, 1581636, 2033532, 2372454, 3163272, 3558681, 4067064, 4744908, 7117362, 9489816, 14234724, 28469448]

約数ペア:

[(1, 28469448), (2, 14234724), (3, 9489816), (4, 7117362), (6, 4744908), (7, 4067064), (8, 3558681), (9, 3163272), (12, 2372454), (14, 2033532), (18, 1581636), (19, 1498392), (21, 1355688), (24, 1186227), (27, 1054424), (28, 1016766), (36, 790818), (38, 749196), (42, 677844), (54, 527212), (56, 508383), (57, 499464), (63, 451896), (72, 395409), (76, 374598), (84, 338922), (108, 263606), (114, 249732), (126, 225948), (133, 214056), (152, 187299), (168, 169461), (171, 166488), (189, 150632), (216, 131803), (228, 124866), (252, 112974), (266, 107028), (342, 83244), (378, 75316), (399, 71352), (456, 62433), (504, 56487), (513, 55496), (532, 53514), (684, 41622), (756, 37658), (798, 35676), (991, 28728), (1026, 27748), (1064, 26757), (1197, 23784), (1368, 20811), (1512, 18829), (1596, 17838), (1982, 14364), (2052, 13874), (2394, 11892), (2973, 9576), (3192, 8919), (3591, 7928), (3964, 7182), (4104, 6937), (4788, 5946)]