28186158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 80320896

約数和(自身を除く): 52134738

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 19, 21, 22, 26, 33, 38, 39, 42, 57, 66, 77, 78, 91, 114, 133, 143, 154, 169, 182, 209, 231, 247, 266, 273, 286, 338, 361, 399, 418, 429, 462, 494, 507, 546, 627, 722, 741, 798, 858, 1001, 1014, 1083, 1183, 1254, 1463, 1482, 1729, 1859, 2002, 2166, 2366, 2527, 2717, 2926, 3003, 3211, 3458, 3549, 3718, 3971, 4389, 4693, 5054, 5187, 5434, 5577, 6006, 6422, 7098, 7581, 7942, 8151, 8778, 9386, 9633, 10374, 11154, 11913, 13013, 14079, 15162, 16302, 19019, 19266, 22477, 23826, 26026, 27797, 28158, 32851, 35321, 38038, 39039, 44954, 51623, 55594, 57057, 61009, 65702, 67431, 70642, 78078, 83391, 98553, 103246, 105963, 114114, 122018, 134862, 154869, 166782, 183027, 197106, 211926, 247247, 309738, 361361, 366054, 427063, 494494, 671099, 722722, 741741, 854126, 1084083, 1281189, 1342198, 1483482, 2013297, 2168166, 2562378, 4026594, 4697693, 9395386, 14093079, 28186158]

約数ペア:

[(1, 28186158), (2, 14093079), (3, 9395386), (6, 4697693), (7, 4026594), (11, 2562378), (13, 2168166), (14, 2013297), (19, 1483482), (21, 1342198), (22, 1281189), (26, 1084083), (33, 854126), (38, 741741), (39, 722722), (42, 671099), (57, 494494), (66, 427063), (77, 366054), (78, 361361), (91, 309738), (114, 247247), (133, 211926), (143, 197106), (154, 183027), (169, 166782), (182, 154869), (209, 134862), (231, 122018), (247, 114114), (266, 105963), (273, 103246), (286, 98553), (338, 83391), (361, 78078), (399, 70642), (418, 67431), (429, 65702), (462, 61009), (494, 57057), (507, 55594), (546, 51623), (627, 44954), (722, 39039), (741, 38038), (798, 35321), (858, 32851), (1001, 28158), (1014, 27797), (1083, 26026), (1183, 23826), (1254, 22477), (1463, 19266), (1482, 19019), (1729, 16302), (1859, 15162), (2002, 14079), (2166, 13013), (2366, 11913), (2527, 11154), (2717, 10374), (2926, 9633), (3003, 9386), (3211, 8778), (3458, 8151), (3549, 7942), (3718, 7581), (3971, 7098), (4389, 6422), (4693, 6006), (5054, 5577), (5187, 5434)]