25999391

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 30898560

約数和(自身を除く): 4899169

約数列:

[1, 11, 19, 43, 121, 209, 263, 473, 817, 2299, 2893, 4997, 5203, 8987, 11309, 31823, 54967, 98857, 124399, 214871, 604637, 1368389, 2363581, 25999391]

約数ペア:

[(1, 25999391), (11, 2363581), (19, 1368389), (43, 604637), (121, 214871), (209, 124399), (263, 98857), (473, 54967), (817, 31823), (2299, 11309), (2893, 8987), (4997, 5203)]