998235368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223219}}^1$

素因数の和:223281

約数の個数: 32

約数和(自身を含む): 2062552800

約数和(自身を除く): 1064317432

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 223219, 446438, 892876, 1785752, 2901847, 5803694, 9598417, 11607388, 19196834, 23214776, 38393668, 76787336, 124779421, 249558842, 499117684, 998235368]

約数ペア:

[(1, 998235368), (2, 499117684), (4, 249558842), (8, 124779421), (13, 76787336), (26, 38393668), (43, 23214776), (52, 19196834), (86, 11607388), (104, 9598417), (172, 5803694), (344, 2901847), (559, 1785752), (1118, 892876), (2236, 446438), (4472, 223219)]