1271648

素因数分解:

$2^5\times 7^2\times {\mathrm{811}}^1$

素因数の和:835

約数の個数: 36

約数和(自身を含む): 2915892

約数和(自身を除く): 1644244

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 811, 1568, 1622, 3244, 5677, 6488, 11354, 12976, 22708, 25952, 39739, 45416, 79478, 90832, 158956, 181664, 317912, 635824, 1271648]

約数ペア:

[(1, 1271648), (2, 635824), (4, 317912), (7, 181664), (8, 158956), (14, 90832), (16, 79478), (28, 45416), (32, 39739), (49, 25952), (56, 22708), (98, 12976), (112, 11354), (196, 6488), (224, 5677), (392, 3244), (784, 1622), (811, 1568)]