28422401

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 34647336

約数和(自身を除く): 6224935

約数列:

[1, 7, 37, 49, 61, 257, 259, 427, 1799, 1813, 2257, 2989, 9509, 12593, 15677, 15799, 66563, 109739, 110593, 465941, 580049, 768173, 4060343, 28422401]

約数ペア:

[(1, 28422401), (7, 4060343), (37, 768173), (49, 580049), (61, 465941), (257, 110593), (259, 109739), (427, 66563), (1799, 15799), (1813, 15677), (2257, 12593), (2989, 9509)]