209211653

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 257753088

約数和(自身を除く): 48541435

約数列:

[1, 7, 31, 37, 71, 217, 259, 367, 497, 1147, 2201, 2569, 2627, 8029, 11377, 13579, 15407, 18389, 26057, 79639, 81437, 95053, 182399, 420949, 570059, 807767, 964109, 2946643, 5654369, 6748763, 29887379, 209211653]

約数ペア:

[(1, 209211653), (7, 29887379), (31, 6748763), (37, 5654369), (71, 2946643), (217, 964109), (259, 807767), (367, 570059), (497, 420949), (1147, 182399), (2201, 95053), (2569, 81437), (2627, 79639), (8029, 26057), (11377, 18389), (13579, 15407)]