81663554

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{142271}}^1$

素因数の和:142321

約数の個数: 16

約数和(自身を含む): 143410176

約数和(自身を除く): 61746622

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 142271, 284542, 995897, 1991794, 5833111, 11666222, 40831777, 81663554]

約数ペア:

[(1, 81663554), (2, 40831777), (7, 11666222), (14, 5833111), (41, 1991794), (82, 995897), (287, 284542), (574, 142271)]