213244619

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1151}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 262656000

約数和(自身を除く): 49411381

約数列:

[1, 7, 19, 49, 133, 199, 931, 1151, 1393, 3781, 8057, 9751, 21869, 26467, 56399, 153083, 185269, 229049, 1071581, 1603343, 4351931, 11223401, 30463517, 213244619]

約数ペア:

[(1, 213244619), (7, 30463517), (19, 11223401), (49, 4351931), (133, 1603343), (199, 1071581), (931, 229049), (1151, 185269), (1393, 153083), (3781, 56399), (8057, 26467), (9751, 21869)]