40905242

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{43609}}^1$

素因数の和:43685

約数の個数: 16

約数和(自身を含む): 71171520

約数和(自身を除く): 30266278

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 43609, 87218, 305263, 610526, 2921803, 5843606, 20452621, 40905242]

約数ペア:

[(1, 40905242), (2, 20452621), (7, 5843606), (14, 2921803), (67, 610526), (134, 305263), (469, 87218), (938, 43609)]