140520904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{408491}}^1$

素因数の和:408540

約数の個数: 16

約数和(自身を含む): 269604720

約数和(自身を除く): 129083816

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 408491, 816982, 1633964, 3267928, 17565113, 35130226, 70260452, 140520904]

約数ペア:

[(1, 140520904), (2, 70260452), (4, 35130226), (8, 17565113), (43, 3267928), (86, 1633964), (172, 816982), (344, 408491)]