256299008

素因数分解:

$2^{12}\times 7^2\times {\mathrm{1277}}^1$

素因数の和:1315

約数の個数: 78

約数和(自身を含む): 596681586

約数和(自身を除く): 340382578

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1277, 1568, 1792, 2048, 2554, 3136, 3584, 4096, 5108, 6272, 7168, 8939, 10216, 12544, 14336, 17878, 20432, 25088, 28672, 35756, 40864, 50176, 62573, 71512, 81728, 100352, 125146, 143024, 163456, 200704, 250292, 286048, 326912, 500584, 572096, 653824, 1001168, 1144192, 1307648, 2002336, 2288384, 2615296, 4004672, 4576768, 5230592, 8009344, 9153536, 16018688, 18307072, 32037376, 36614144, 64074752, 128149504, 256299008]

約数ペア:

[(1, 256299008), (2, 128149504), (4, 64074752), (7, 36614144), (8, 32037376), (14, 18307072), (16, 16018688), (28, 9153536), (32, 8009344), (49, 5230592), (56, 4576768), (64, 4004672), (98, 2615296), (112, 2288384), (128, 2002336), (196, 1307648), (224, 1144192), (256, 1001168), (392, 653824), (448, 572096), (512, 500584), (784, 326912), (896, 286048), (1024, 250292), (1277, 200704), (1568, 163456), (1792, 143024), (2048, 125146), (2554, 100352), (3136, 81728), (3584, 71512), (4096, 62573), (5108, 50176), (6272, 40864), (7168, 35756), (8939, 28672), (10216, 25088), (12544, 20432), (14336, 17878)]