218619439

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13003}}^1$

素因数の和:13086

約数の個数: 16

約数和(自身を含む): 247180032

約数和(自身を除く): 28560593

約数列:

[1, 17, 23, 43, 391, 731, 989, 13003, 16813, 221051, 299069, 559129, 5084173, 9505193, 12859967, 218619439]

約数ペア:

[(1, 218619439), (17, 12859967), (23, 9505193), (43, 5084173), (391, 559129), (731, 299069), (989, 221051), (13003, 16813)]