81740312

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{143909}}^1$

素因数の和:143986

約数の個数: 16

約数和(自身を含む): 155422800

約数和(自身を除く): 73682488

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 143909, 287818, 575636, 1151272, 10217539, 20435078, 40870156, 81740312]

約数ペア:

[(1, 81740312), (2, 40870156), (4, 20435078), (8, 10217539), (71, 1151272), (142, 575636), (284, 287818), (568, 143909)]