28805623

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 7966217

約数列:

[1, 7, 11, 71, 77, 121, 479, 497, 781, 847, 3353, 5269, 5467, 8591, 34009, 36883, 57959, 60137, 238063, 374099, 405713, 2618693, 4115089, 28805623]

約数ペア:

[(1, 28805623), (7, 4115089), (11, 2618693), (71, 405713), (77, 374099), (121, 238063), (479, 60137), (497, 57959), (781, 36883), (847, 34009), (3353, 8591), (5269, 5467)]