219952817

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 274803840

約数和(自身を除く): 54851023

約数列:

[1, 7, 17, 49, 71, 119, 497, 833, 1207, 3479, 3719, 8449, 26033, 59143, 63223, 182231, 264049, 442561, 1848343, 3097927, 4488833, 12938401, 31421831, 219952817]

約数ペア:

[(1, 219952817), (7, 31421831), (17, 12938401), (49, 4488833), (71, 3097927), (119, 1848343), (497, 442561), (833, 264049), (1207, 182231), (3479, 63223), (3719, 59143), (8449, 26033)]