28740656

素因数分解:

$2^4\times 7^3\times {\mathrm{5237}}^1$

素因数の和:5266

約数の個数: 40

約数和(自身を含む): 64951200

約数和(自身を除く): 36210544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5237, 5488, 10474, 20948, 36659, 41896, 73318, 83792, 146636, 256613, 293272, 513226, 586544, 1026452, 1796291, 2052904, 3592582, 4105808, 7185164, 14370328, 28740656]

約数ペア:

[(1, 28740656), (2, 14370328), (4, 7185164), (7, 4105808), (8, 3592582), (14, 2052904), (16, 1796291), (28, 1026452), (49, 586544), (56, 513226), (98, 293272), (112, 256613), (196, 146636), (343, 83792), (392, 73318), (686, 41896), (784, 36659), (1372, 20948), (2744, 10474), (5237, 5488)]