208659906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 575527680

約数和(自身を除く): 366867774

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 169, 182, 234, 239, 246, 273, 287, 338, 369, 478, 507, 533, 546, 574, 717, 738, 819, 861, 1014, 1066, 1183, 1434, 1521, 1599, 1638, 1673, 1722, 2151, 2366, 2583, 3042, 3107, 3198, 3346, 3549, 3731, 4302, 4797, 5019, 5166, 6214, 6929, 7098, 7462, 9321, 9594, 9799, 10038, 10647, 11193, 13858, 15057, 18642, 19598, 20787, 21294, 21749, 22386, 27963, 29397, 30114, 33579, 40391, 41574, 43498, 48503, 55926, 58794, 62361, 65247, 67158, 68593, 80782, 88191, 97006, 121173, 124722, 127387, 130494, 137186, 145509, 176382, 195741, 205779, 242346, 254774, 282737, 291018, 363519, 382161, 391482, 411558, 436527, 565474, 617337, 727038, 764322, 848211, 873054, 891709, 1146483, 1234674, 1656031, 1696422, 1783418, 2292966, 2544633, 2675127, 3312062, 4968093, 5089266, 5350254, 8025381, 9936186, 11592217, 14904279, 16050762, 23184434, 29808558, 34776651, 69553302, 104329953, 208659906]

約数ペア:

[(1, 208659906), (2, 104329953), (3, 69553302), (6, 34776651), (7, 29808558), (9, 23184434), (13, 16050762), (14, 14904279), (18, 11592217), (21, 9936186), (26, 8025381), (39, 5350254), (41, 5089266), (42, 4968093), (63, 3312062), (78, 2675127), (82, 2544633), (91, 2292966), (117, 1783418), (123, 1696422), (126, 1656031), (169, 1234674), (182, 1146483), (234, 891709), (239, 873054), (246, 848211), (273, 764322), (287, 727038), (338, 617337), (369, 565474), (478, 436527), (507, 411558), (533, 391482), (546, 382161), (574, 363519), (717, 291018), (738, 282737), (819, 254774), (861, 242346), (1014, 205779), (1066, 195741), (1183, 176382), (1434, 145509), (1521, 137186), (1599, 130494), (1638, 127387), (1673, 124722), (1722, 121173), (2151, 97006), (2366, 88191), (2583, 80782), (3042, 68593), (3107, 67158), (3198, 65247), (3346, 62361), (3549, 58794), (3731, 55926), (4302, 48503), (4797, 43498), (5019, 41574), (5166, 40391), (6214, 33579), (6929, 30114), (7098, 29397), (7462, 27963), (9321, 22386), (9594, 21749), (9799, 21294), (10038, 20787), (10647, 19598), (11193, 18642), (13858, 15057)]