81393238

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{2053}}^1$

素因数の和:2559

約数の個数: 16

約数和(自身を含む): 125261136

約数和(自身を除く): 43867898

約数列:

[1, 2, 43, 86, 461, 922, 2053, 4106, 19823, 39646, 88279, 176558, 946433, 1892866, 40696619, 81393238]

約数ペア:

[(1, 81393238), (2, 40696619), (43, 1892866), (86, 946433), (461, 176558), (922, 88279), (2053, 39646), (4106, 19823)]