81578842

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:2033

約数の個数: 16

約数和(自身を含む): 124045992

約数和(自身を除く): 42467150

約数列:

[1, 2, 137, 173, 274, 346, 1721, 3442, 23701, 47402, 235777, 297733, 471554, 595466, 40789421, 81578842]

約数ペア:

[(1, 81578842), (2, 40789421), (137, 595466), (173, 471554), (274, 297733), (346, 235777), (1721, 47402), (3442, 23701)]