281060864

素因数分解:

$2^9\times 7^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:708

約数の個数: 120

約数和(自身を含む): 692734680

約数和(自身を除く): 411673816

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 196, 224, 238, 256, 272, 392, 448, 476, 512, 544, 659, 784, 833, 896, 952, 1088, 1318, 1568, 1666, 1792, 1904, 2176, 2636, 3136, 3332, 3584, 3808, 4352, 4613, 5272, 6272, 6664, 7616, 8704, 9226, 10544, 11203, 12544, 13328, 15232, 18452, 21088, 22406, 25088, 26656, 30464, 32291, 36904, 42176, 44812, 53312, 60928, 64582, 73808, 78421, 84352, 89624, 106624, 129164, 147616, 156842, 168704, 179248, 213248, 258328, 295232, 313684, 337408, 358496, 426496, 516656, 548947, 590464, 627368, 716992, 1033312, 1097894, 1180928, 1254736, 1433984, 2066624, 2195788, 2361856, 2509472, 2867968, 4133248, 4391576, 5018944, 5735936, 8266496, 8783152, 10037888, 16532992, 17566304, 20075776, 35132608, 40151552, 70265216, 140530432, 281060864]

約数ペア:

[(1, 281060864), (2, 140530432), (4, 70265216), (7, 40151552), (8, 35132608), (14, 20075776), (16, 17566304), (17, 16532992), (28, 10037888), (32, 8783152), (34, 8266496), (49, 5735936), (56, 5018944), (64, 4391576), (68, 4133248), (98, 2867968), (112, 2509472), (119, 2361856), (128, 2195788), (136, 2066624), (196, 1433984), (224, 1254736), (238, 1180928), (256, 1097894), (272, 1033312), (392, 716992), (448, 627368), (476, 590464), (512, 548947), (544, 516656), (659, 426496), (784, 358496), (833, 337408), (896, 313684), (952, 295232), (1088, 258328), (1318, 213248), (1568, 179248), (1666, 168704), (1792, 156842), (1904, 147616), (2176, 129164), (2636, 106624), (3136, 89624), (3332, 84352), (3584, 78421), (3808, 73808), (4352, 64582), (4613, 60928), (5272, 53312), (6272, 44812), (6664, 42176), (7616, 36904), (8704, 32291), (9226, 30464), (10544, 26656), (11203, 25088), (12544, 22406), (13328, 21088), (15232, 18452)]