251497792

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 168

約数和(自身を含む): 648614400

約数和(自身を除く): 397116608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 64, 91, 98, 104, 112, 124, 182, 196, 199, 208, 217, 224, 248, 364, 392, 398, 403, 416, 434, 448, 496, 637, 728, 784, 796, 806, 832, 868, 992, 1274, 1393, 1456, 1519, 1568, 1592, 1612, 1736, 1984, 2548, 2587, 2786, 2821, 2912, 3038, 3136, 3184, 3224, 3472, 5096, 5174, 5572, 5642, 5824, 6076, 6169, 6368, 6448, 6944, 9751, 10192, 10348, 11144, 11284, 12152, 12338, 12736, 12896, 13888, 18109, 19502, 19747, 20384, 20696, 22288, 22568, 24304, 24676, 25792, 36218, 39004, 39494, 40768, 41392, 43183, 44576, 45136, 48608, 49352, 72436, 78008, 78988, 80197, 82784, 86366, 89152, 90272, 97216, 98704, 126763, 144872, 156016, 157976, 160394, 165568, 172732, 180544, 197408, 253526, 289744, 302281, 312032, 315952, 320788, 345464, 394816, 507052, 561379, 579488, 604562, 624064, 631904, 641576, 690928, 1014104, 1122758, 1158976, 1209124, 1263808, 1283152, 1381856, 2028208, 2245516, 2418248, 2566304, 2763712, 3929653, 4056416, 4491032, 4836496, 5132608, 7859306, 8112832, 8982064, 9672992, 15718612, 17964128, 19345984, 31437224, 35928256, 62874448, 125748896, 251497792]

約数ペア:

[(1, 251497792), (2, 125748896), (4, 62874448), (7, 35928256), (8, 31437224), (13, 19345984), (14, 17964128), (16, 15718612), (26, 9672992), (28, 8982064), (31, 8112832), (32, 7859306), (49, 5132608), (52, 4836496), (56, 4491032), (62, 4056416), (64, 3929653), (91, 2763712), (98, 2566304), (104, 2418248), (112, 2245516), (124, 2028208), (182, 1381856), (196, 1283152), (199, 1263808), (208, 1209124), (217, 1158976), (224, 1122758), (248, 1014104), (364, 690928), (392, 641576), (398, 631904), (403, 624064), (416, 604562), (434, 579488), (448, 561379), (496, 507052), (637, 394816), (728, 345464), (784, 320788), (796, 315952), (806, 312032), (832, 302281), (868, 289744), (992, 253526), (1274, 197408), (1393, 180544), (1456, 172732), (1519, 165568), (1568, 160394), (1592, 157976), (1612, 156016), (1736, 144872), (1984, 126763), (2548, 98704), (2587, 97216), (2786, 90272), (2821, 89152), (2912, 86366), (3038, 82784), (3136, 80197), (3184, 78988), (3224, 78008), (3472, 72436), (5096, 49352), (5174, 48608), (5572, 45136), (5642, 44576), (5824, 43183), (6076, 41392), (6169, 40768), (6368, 39494), (6448, 39004), (6944, 36218), (9751, 25792), (10192, 24676), (10348, 24304), (11144, 22568), (11284, 22288), (12152, 20696), (12338, 20384), (12736, 19747), (12896, 19502), (13888, 18109)]