81439292

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{168263}}^1$

素因数の和:168289

約数の個数: 18

約数和(自身を含む): 156653784

約数和(自身を除く): 75214492

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 168263, 336526, 673052, 1850893, 3701786, 7403572, 20359823, 40719646, 81439292]

約数ペア:

[(1, 81439292), (2, 40719646), (4, 20359823), (11, 7403572), (22, 3701786), (44, 1850893), (121, 673052), (242, 336526), (484, 168263)]