28187838

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 120

約数和(自身を含む): 75977352

約数和(自身を除く): 47789514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 53, 54, 63, 67, 81, 98, 106, 126, 134, 147, 159, 162, 189, 201, 294, 318, 371, 378, 402, 441, 469, 477, 567, 603, 742, 882, 938, 954, 1113, 1134, 1206, 1323, 1407, 1431, 1809, 2226, 2597, 2646, 2814, 2862, 3283, 3339, 3551, 3618, 3969, 4221, 4293, 5194, 5427, 6566, 6678, 7102, 7791, 7938, 8442, 8586, 9849, 10017, 10653, 10854, 12663, 15582, 19698, 20034, 21306, 23373, 24857, 25326, 29547, 30051, 31959, 37989, 46746, 49714, 59094, 60102, 63918, 70119, 74571, 75978, 88641, 95877, 140238, 149142, 173999, 177282, 191754, 210357, 223713, 265923, 287631, 347998, 420714, 447426, 521997, 531846, 575262, 671139, 1043994, 1342278, 1565991, 2013417, 3131982, 4026834, 4697973, 9395946, 14093919, 28187838]

約数ペア:

[(1, 28187838), (2, 14093919), (3, 9395946), (6, 4697973), (7, 4026834), (9, 3131982), (14, 2013417), (18, 1565991), (21, 1342278), (27, 1043994), (42, 671139), (49, 575262), (53, 531846), (54, 521997), (63, 447426), (67, 420714), (81, 347998), (98, 287631), (106, 265923), (126, 223713), (134, 210357), (147, 191754), (159, 177282), (162, 173999), (189, 149142), (201, 140238), (294, 95877), (318, 88641), (371, 75978), (378, 74571), (402, 70119), (441, 63918), (469, 60102), (477, 59094), (567, 49714), (603, 46746), (742, 37989), (882, 31959), (938, 30051), (954, 29547), (1113, 25326), (1134, 24857), (1206, 23373), (1323, 21306), (1407, 20034), (1431, 19698), (1809, 15582), (2226, 12663), (2597, 10854), (2646, 10653), (2814, 10017), (2862, 9849), (3283, 8586), (3339, 8442), (3551, 7938), (3618, 7791), (3969, 7102), (4221, 6678), (4293, 6566), (5194, 5427)]