28261408

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1865

約数の個数: 48

約数和(自身を含む): 64520064

約数和(自身を除く): 36258656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1777, 1988, 2272, 3554, 3976, 7108, 7952, 12439, 14216, 15904, 24878, 28432, 49756, 56864, 99512, 126167, 199024, 252334, 398048, 504668, 883169, 1009336, 1766338, 2018672, 3532676, 4037344, 7065352, 14130704, 28261408]

約数ペア:

[(1, 28261408), (2, 14130704), (4, 7065352), (7, 4037344), (8, 3532676), (14, 2018672), (16, 1766338), (28, 1009336), (32, 883169), (56, 504668), (71, 398048), (112, 252334), (142, 199024), (224, 126167), (284, 99512), (497, 56864), (568, 49756), (994, 28432), (1136, 24878), (1777, 15904), (1988, 14216), (2272, 12439), (3554, 7952), (3976, 7108)]