25721267

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 6212173

約数列:

[1, 11, 13, 43, 47, 89, 143, 473, 517, 559, 611, 979, 1157, 2021, 3827, 4183, 6149, 6721, 12727, 22231, 26273, 42097, 46013, 49751, 54379, 179869, 289003, 547261, 598169, 1978559, 2338297, 25721267]

約数ペア:

[(1, 25721267), (11, 2338297), (13, 1978559), (43, 598169), (47, 547261), (89, 289003), (143, 179869), (473, 54379), (517, 49751), (559, 46013), (611, 42097), (979, 26273), (1157, 22231), (2021, 12727), (3827, 6721), (4183, 6149)]