1285208639

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19001}}^1$

素因数の和:19079

約数の個数: 24

約数和(自身を含む): 1556795856

約数和(自身を除く): 271587217

約数列:

[1, 11, 13, 43, 121, 143, 473, 559, 1573, 5203, 6149, 19001, 67639, 209011, 247013, 817043, 2299121, 2717143, 8987473, 10621559, 29888573, 98862203, 116837149, 1285208639]

約数ペア:

[(1, 1285208639), (11, 116837149), (13, 98862203), (43, 29888573), (121, 10621559), (143, 8987473), (473, 2717143), (559, 2299121), (1573, 817043), (5203, 247013), (6149, 209011), (19001, 67639)]