28847231

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 34990704

約数和(自身を除く): 6143473

約数列:

[1, 7, 41, 49, 83, 173, 287, 581, 1211, 2009, 3403, 4067, 7093, 8477, 14359, 23821, 49651, 100513, 166747, 347557, 588719, 703591, 4121033, 28847231]

約数ペア:

[(1, 28847231), (7, 4121033), (41, 703591), (49, 588719), (83, 347557), (173, 166747), (287, 100513), (581, 49651), (1211, 23821), (2009, 14359), (3403, 8477), (4067, 7093)]