68521790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8387}}^1$

素因数の和:8456

約数の個数: 32

約数和(自身を含む): 132865920

約数和(自身を除く): 64344130

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 8387, 16774, 41935, 83870, 159353, 318706, 360641, 721282, 796765, 1593530, 1803205, 3606410, 6852179, 13704358, 34260895, 68521790]

約数ペア:

[(1, 68521790), (2, 34260895), (5, 13704358), (10, 6852179), (19, 3606410), (38, 1803205), (43, 1593530), (86, 796765), (95, 721282), (190, 360641), (215, 318706), (430, 159353), (817, 83870), (1634, 41935), (4085, 16774), (8170, 8387)]