28721136

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 78566400

約数和(自身を除く): 49845264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 47, 48, 58, 87, 94, 116, 141, 174, 188, 232, 282, 348, 376, 439, 464, 564, 696, 752, 878, 1128, 1317, 1363, 1392, 1756, 2256, 2634, 2726, 3512, 4089, 5268, 5452, 7024, 8178, 10536, 10904, 12731, 16356, 20633, 21072, 21808, 25462, 32712, 38193, 41266, 50924, 61899, 65424, 76386, 82532, 101848, 123798, 152772, 165064, 203696, 247596, 305544, 330128, 495192, 598357, 611088, 990384, 1196714, 1795071, 2393428, 3590142, 4786856, 7180284, 9573712, 14360568, 28721136]

約数ペア:

[(1, 28721136), (2, 14360568), (3, 9573712), (4, 7180284), (6, 4786856), (8, 3590142), (12, 2393428), (16, 1795071), (24, 1196714), (29, 990384), (47, 611088), (48, 598357), (58, 495192), (87, 330128), (94, 305544), (116, 247596), (141, 203696), (174, 165064), (188, 152772), (232, 123798), (282, 101848), (348, 82532), (376, 76386), (439, 65424), (464, 61899), (564, 50924), (696, 41266), (752, 38193), (878, 32712), (1128, 25462), (1317, 21808), (1363, 21072), (1392, 20633), (1756, 16356), (2256, 12731), (2634, 10904), (2726, 10536), (3512, 8178), (4089, 7024), (5268, 5452)]