81691478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1759}}^1\times {\mathrm{2111}}^1$

素因数の和:3883

約数の個数: 16

約数和(自身を含む): 133816320

約数和(自身を除く): 52124842

約数列:

[1, 2, 11, 22, 1759, 2111, 3518, 4222, 19349, 23221, 38698, 46442, 3713249, 7426498, 40845739, 81691478]

約数ペア:

[(1, 81691478), (2, 40845739), (11, 7426498), (22, 3713249), (1759, 46442), (2111, 38698), (3518, 23221), (4222, 19349)]