821707264

素因数分解:

$2^9\times 7^3\times {\mathrm{4679}}^1$

素因数の和:4718

約数の個数: 80

約数和(自身を含む): 1915056000

約数和(自身を除く): 1093348736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 3584, 4679, 5488, 6272, 9358, 10976, 12544, 18716, 21952, 25088, 32753, 37432, 43904, 65506, 74864, 87808, 131012, 149728, 175616, 229271, 262024, 299456, 458542, 524048, 598912, 917084, 1048096, 1197824, 1604897, 1834168, 2096192, 2395648, 3209794, 3668336, 4192384, 6419588, 7336672, 8384768, 12839176, 14673344, 16769536, 25678352, 29346688, 51356704, 58693376, 102713408, 117386752, 205426816, 410853632, 821707264]

約数ペア:

[(1, 821707264), (2, 410853632), (4, 205426816), (7, 117386752), (8, 102713408), (14, 58693376), (16, 51356704), (28, 29346688), (32, 25678352), (49, 16769536), (56, 14673344), (64, 12839176), (98, 8384768), (112, 7336672), (128, 6419588), (196, 4192384), (224, 3668336), (256, 3209794), (343, 2395648), (392, 2096192), (448, 1834168), (512, 1604897), (686, 1197824), (784, 1048096), (896, 917084), (1372, 598912), (1568, 524048), (1792, 458542), (2744, 299456), (3136, 262024), (3584, 229271), (4679, 175616), (5488, 149728), (6272, 131012), (9358, 87808), (10976, 74864), (12544, 65506), (18716, 43904), (21952, 37432), (25088, 32753)]