212711669

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 234159552

約数和(自身を除く): 21447883

約数列:

[1, 19, 43, 71, 193, 361, 817, 1349, 3053, 3667, 8299, 13703, 15523, 25631, 58007, 69673, 157681, 260357, 589229, 1102133, 2995939, 4946783, 11195351, 212711669]

約数ペア:

[(1, 212711669), (19, 11195351), (43, 4946783), (71, 2995939), (193, 1102133), (361, 589229), (817, 260357), (1349, 157681), (3053, 69673), (3667, 58007), (8299, 25631), (13703, 15523)]