278045392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{2591}}^1$

素因数の和:2971

約数の個数: 40

約数和(自身を含む): 568892160

約数和(自身を除く): 290846768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 353, 706, 1412, 2591, 2824, 5182, 5648, 6707, 10364, 13414, 20728, 26828, 41456, 49229, 53656, 98458, 107312, 196916, 393832, 787664, 914623, 1829246, 3658492, 7316984, 14633968, 17377837, 34755674, 69511348, 139022696, 278045392]

約数ペア:

[(1, 278045392), (2, 139022696), (4, 69511348), (8, 34755674), (16, 17377837), (19, 14633968), (38, 7316984), (76, 3658492), (152, 1829246), (304, 914623), (353, 787664), (706, 393832), (1412, 196916), (2591, 107312), (2824, 98458), (5182, 53656), (5648, 49229), (6707, 41456), (10364, 26828), (13414, 20728)]