261066946

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{2857}}^1$

素因数の和:3034

約数の個数: 32

約数和(自身を含む): 459292032

約数和(自身を除く): 198225086

約数列:

[1, 2, 7, 14, 61, 107, 122, 214, 427, 749, 854, 1498, 2857, 5714, 6527, 13054, 19999, 39998, 45689, 91378, 174277, 305699, 348554, 611398, 1219939, 2139893, 2439878, 4279786, 18647639, 37295278, 130533473, 261066946]

約数ペア:

[(1, 261066946), (2, 130533473), (7, 37295278), (14, 18647639), (61, 4279786), (107, 2439878), (122, 2139893), (214, 1219939), (427, 611398), (749, 348554), (854, 305699), (1498, 174277), (2857, 91378), (5714, 45689), (6527, 39998), (13054, 19999)]