28210787

素因数分解:

${\mathrm{11}}^2\times {\mathrm{53}}^2\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 18

約数和(自身を含む): 31985436

約数和(自身を除く): 3774649

約数列:

[1, 11, 53, 83, 121, 583, 913, 2809, 4399, 6413, 10043, 30899, 48389, 233147, 339889, 532279, 2564617, 28210787]

約数ペア:

[(1, 28210787), (11, 2564617), (53, 532279), (83, 339889), (121, 233147), (583, 48389), (913, 30899), (2809, 10043), (4399, 6413)]