28381342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{7457}}^1$

素因数の和:7643

約数の個数: 16

約数和(自身を含む): 46716912

約数和(自身を除く): 18335570

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 7457, 14914, 82027, 164054, 1290061, 2580122, 14190671, 28381342]

約数ペア:

[(1, 28381342), (2, 14190671), (11, 2580122), (22, 1290061), (173, 164054), (346, 82027), (1903, 14914), (3806, 7457)]