81385472

素因数分解:

$2^{11}\times 7^2\times {\mathrm{811}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 189532980

約数和(自身を除く): 108147508

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 811, 896, 1024, 1568, 1622, 1792, 2048, 3136, 3244, 3584, 5677, 6272, 6488, 7168, 11354, 12544, 12976, 14336, 22708, 25088, 25952, 39739, 45416, 50176, 51904, 79478, 90832, 100352, 103808, 158956, 181664, 207616, 317912, 363328, 415232, 635824, 726656, 830464, 1271648, 1453312, 1660928, 2543296, 2906624, 5086592, 5813248, 10173184, 11626496, 20346368, 40692736, 81385472]

約数ペア:

[(1, 81385472), (2, 40692736), (4, 20346368), (7, 11626496), (8, 10173184), (14, 5813248), (16, 5086592), (28, 2906624), (32, 2543296), (49, 1660928), (56, 1453312), (64, 1271648), (98, 830464), (112, 726656), (128, 635824), (196, 415232), (224, 363328), (256, 317912), (392, 207616), (448, 181664), (512, 158956), (784, 103808), (811, 100352), (896, 90832), (1024, 79478), (1568, 51904), (1622, 50176), (1792, 45416), (2048, 39739), (3136, 25952), (3244, 25088), (3584, 22708), (5677, 14336), (6272, 12976), (6488, 12544), (7168, 11354)]