64121428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2803}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 138181120

約数和(自身を除く): 74059692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 1204, 1634, 2803, 3268, 5606, 5719, 11212, 11438, 19621, 22876, 39242, 53257, 78484, 106514, 120529, 213028, 241058, 372799, 482116, 745598, 843703, 1491196, 1687406, 2290051, 3374812, 4580102, 9160204, 16030357, 32060714, 64121428]

約数ペア:

[(1, 64121428), (2, 32060714), (4, 16030357), (7, 9160204), (14, 4580102), (19, 3374812), (28, 2290051), (38, 1687406), (43, 1491196), (76, 843703), (86, 745598), (133, 482116), (172, 372799), (266, 241058), (301, 213028), (532, 120529), (602, 106514), (817, 78484), (1204, 53257), (1634, 39242), (2803, 22876), (3268, 19621), (5606, 11438), (5719, 11212)]