28109536

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 41744864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 197, 208, 224, 343, 364, 392, 394, 416, 637, 686, 728, 784, 788, 1274, 1372, 1379, 1456, 1568, 1576, 2548, 2561, 2744, 2758, 2912, 3152, 4459, 5096, 5122, 5488, 5516, 6304, 8918, 9653, 10192, 10244, 10976, 11032, 17836, 17927, 19306, 20384, 20488, 22064, 35672, 35854, 38612, 40976, 44128, 67571, 71344, 71708, 77224, 81952, 125489, 135142, 142688, 143416, 154448, 250978, 270284, 286832, 308896, 501956, 540568, 573664, 878423, 1003912, 1081136, 1756846, 2007824, 2162272, 3513692, 4015648, 7027384, 14054768, 28109536]

約数ペア:

[(1, 28109536), (2, 14054768), (4, 7027384), (7, 4015648), (8, 3513692), (13, 2162272), (14, 2007824), (16, 1756846), (26, 1081136), (28, 1003912), (32, 878423), (49, 573664), (52, 540568), (56, 501956), (91, 308896), (98, 286832), (104, 270284), (112, 250978), (182, 154448), (196, 143416), (197, 142688), (208, 135142), (224, 125489), (343, 81952), (364, 77224), (392, 71708), (394, 71344), (416, 67571), (637, 44128), (686, 40976), (728, 38612), (784, 35854), (788, 35672), (1274, 22064), (1372, 20488), (1379, 20384), (1456, 19306), (1568, 17927), (1576, 17836), (2548, 11032), (2561, 10976), (2744, 10244), (2758, 10192), (2912, 9653), (3152, 8918), (4459, 6304), (5096, 5516), (5122, 5488)]