209933178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 543621120

約数和(自身を除く): 333687942

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 79, 91, 93, 157, 158, 182, 186, 217, 237, 273, 314, 403, 434, 471, 474, 546, 553, 651, 806, 942, 1027, 1099, 1106, 1209, 1302, 1659, 2041, 2054, 2198, 2418, 2449, 2821, 3081, 3297, 3318, 4082, 4867, 4898, 5642, 6123, 6162, 6594, 7189, 7347, 8463, 9734, 12246, 12403, 14287, 14378, 14601, 14694, 16926, 17143, 21567, 24806, 28574, 29202, 31837, 34069, 34286, 37209, 42861, 43134, 51429, 63271, 63674, 68138, 74418, 85722, 86821, 95511, 102207, 102858, 126542, 161239, 173642, 189813, 191022, 204414, 222859, 260463, 322478, 379626, 384493, 442897, 445718, 483717, 520926, 668577, 768986, 885794, 967434, 1128673, 1153479, 1328691, 1337154, 2257346, 2306958, 2657382, 2691451, 3386019, 4998409, 5382902, 6772038, 8074353, 9996818, 14995227, 16148706, 29990454, 34988863, 69977726, 104966589, 209933178]

約数ペア:

[(1, 209933178), (2, 104966589), (3, 69977726), (6, 34988863), (7, 29990454), (13, 16148706), (14, 14995227), (21, 9996818), (26, 8074353), (31, 6772038), (39, 5382902), (42, 4998409), (62, 3386019), (78, 2691451), (79, 2657382), (91, 2306958), (93, 2257346), (157, 1337154), (158, 1328691), (182, 1153479), (186, 1128673), (217, 967434), (237, 885794), (273, 768986), (314, 668577), (403, 520926), (434, 483717), (471, 445718), (474, 442897), (546, 384493), (553, 379626), (651, 322478), (806, 260463), (942, 222859), (1027, 204414), (1099, 191022), (1106, 189813), (1209, 173642), (1302, 161239), (1659, 126542), (2041, 102858), (2054, 102207), (2198, 95511), (2418, 86821), (2449, 85722), (2821, 74418), (3081, 68138), (3297, 63674), (3318, 63271), (4082, 51429), (4867, 43134), (4898, 42861), (5642, 37209), (6123, 34286), (6162, 34069), (6594, 31837), (7189, 29202), (7347, 28574), (8463, 24806), (9734, 21567), (12246, 17143), (12403, 16926), (14287, 14694), (14378, 14601)]