399065408

素因数分解:

$2^6\times 7^6\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 98

約数和(自身を含む): 941308506

約数和(自身を除く): 542243098

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 196, 212, 224, 343, 371, 392, 424, 448, 686, 742, 784, 848, 1372, 1484, 1568, 1696, 2401, 2597, 2744, 2968, 3136, 3392, 4802, 5194, 5488, 5936, 9604, 10388, 10976, 11872, 16807, 18179, 19208, 20776, 21952, 23744, 33614, 36358, 38416, 41552, 67228, 72716, 76832, 83104, 117649, 127253, 134456, 145432, 153664, 166208, 235298, 254506, 268912, 290864, 470596, 509012, 537824, 581728, 890771, 941192, 1018024, 1075648, 1163456, 1781542, 1882384, 2036048, 3563084, 3764768, 4072096, 6235397, 7126168, 7529536, 8144192, 12470794, 14252336, 24941588, 28504672, 49883176, 57009344, 99766352, 199532704, 399065408]

約数ペア:

[(1, 399065408), (2, 199532704), (4, 99766352), (7, 57009344), (8, 49883176), (14, 28504672), (16, 24941588), (28, 14252336), (32, 12470794), (49, 8144192), (53, 7529536), (56, 7126168), (64, 6235397), (98, 4072096), (106, 3764768), (112, 3563084), (196, 2036048), (212, 1882384), (224, 1781542), (343, 1163456), (371, 1075648), (392, 1018024), (424, 941192), (448, 890771), (686, 581728), (742, 537824), (784, 509012), (848, 470596), (1372, 290864), (1484, 268912), (1568, 254506), (1696, 235298), (2401, 166208), (2597, 153664), (2744, 145432), (2968, 134456), (3136, 127253), (3392, 117649), (4802, 83104), (5194, 76832), (5488, 72716), (5936, 67228), (9604, 41552), (10388, 38416), (10976, 36358), (11872, 33614), (16807, 23744), (18179, 21952), (19208, 20776)]