12980539

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 15611904

約数和(自身を除く): 2631365

約数列:

[1, 11, 13, 43, 143, 473, 559, 2111, 6149, 23221, 27443, 90773, 301873, 998503, 1180049, 12980539]

約数ペア:

[(1, 12980539), (11, 1180049), (13, 998503), (43, 301873), (143, 90773), (473, 27443), (559, 23221), (2111, 6149)]