81325354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{5749}}^1$

素因数の和:6405

約数の個数: 16

約数和(自身を含む): 133308000

約数和(自身を除く): 51982646

約数列:

[1, 2, 11, 22, 643, 1286, 5749, 7073, 11498, 14146, 63239, 126478, 3696607, 7393214, 40662677, 81325354]

約数ペア:

[(1, 81325354), (2, 40662677), (11, 7393214), (22, 3696607), (643, 126478), (1286, 63239), (5749, 14146), (7073, 11498)]