28504672

素因数分解:

$2^5\times 7^5\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 66706416

約数和(自身を除く): 38201744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 98, 106, 112, 196, 212, 224, 343, 371, 392, 424, 686, 742, 784, 848, 1372, 1484, 1568, 1696, 2401, 2597, 2744, 2968, 4802, 5194, 5488, 5936, 9604, 10388, 10976, 11872, 16807, 18179, 19208, 20776, 33614, 36358, 38416, 41552, 67228, 72716, 76832, 83104, 127253, 134456, 145432, 254506, 268912, 290864, 509012, 537824, 581728, 890771, 1018024, 1781542, 2036048, 3563084, 4072096, 7126168, 14252336, 28504672]

約数ペア:

[(1, 28504672), (2, 14252336), (4, 7126168), (7, 4072096), (8, 3563084), (14, 2036048), (16, 1781542), (28, 1018024), (32, 890771), (49, 581728), (53, 537824), (56, 509012), (98, 290864), (106, 268912), (112, 254506), (196, 145432), (212, 134456), (224, 127253), (343, 83104), (371, 76832), (392, 72716), (424, 67228), (686, 41552), (742, 38416), (784, 36358), (848, 33614), (1372, 20776), (1484, 19208), (1568, 18179), (1696, 16807), (2401, 11872), (2597, 10976), (2744, 10388), (2968, 9604), (4802, 5936), (5194, 5488)]