2556555008

素因数分解:

$2^8\times 7^2\times {\mathrm{203807}}^1$

素因数の和:203837

約数の個数: 54

約数和(自身を含む): 5936315616

約数和(自身を除く): 3379760608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 203807, 407614, 815228, 1426649, 1630456, 2853298, 3260912, 5706596, 6521824, 9986543, 11413192, 13043648, 19973086, 22826384, 26087296, 39946172, 45652768, 52174592, 79892344, 91305536, 159784688, 182611072, 319569376, 365222144, 639138752, 1278277504, 2556555008]

約数ペア:

[(1, 2556555008), (2, 1278277504), (4, 639138752), (7, 365222144), (8, 319569376), (14, 182611072), (16, 159784688), (28, 91305536), (32, 79892344), (49, 52174592), (56, 45652768), (64, 39946172), (98, 26087296), (112, 22826384), (128, 19973086), (196, 13043648), (224, 11413192), (256, 9986543), (392, 6521824), (448, 5706596), (784, 3260912), (896, 2853298), (1568, 1630456), (1792, 1426649), (3136, 815228), (6272, 407614), (12544, 203807)]