7905291290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1\times {\mathrm{1499}}^1$

素因数の和:1991

約数の個数: 64

約数和(自身を含む): 15513120000

約数和(自身を除く): 7607828710

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 359, 565, 718, 1130, 1469, 1499, 1795, 2938, 2998, 3590, 4667, 7345, 7495, 9334, 14690, 14990, 19487, 23335, 38974, 40567, 46670, 81134, 97435, 169387, 194870, 202835, 338774, 405670, 527371, 538141, 846935, 1054742, 1076282, 1693870, 2202031, 2636855, 2690705, 4404062, 5273710, 5381410, 6995833, 11010155, 13991666, 22020310, 34979165, 60809933, 69958330, 121619866, 304049665, 608099330, 790529129, 1581058258, 3952645645, 7905291290]

約数ペア:

[(1, 7905291290), (2, 3952645645), (5, 1581058258), (10, 790529129), (13, 608099330), (26, 304049665), (65, 121619866), (113, 69958330), (130, 60809933), (226, 34979165), (359, 22020310), (565, 13991666), (718, 11010155), (1130, 6995833), (1469, 5381410), (1499, 5273710), (1795, 4404062), (2938, 2690705), (2998, 2636855), (3590, 2202031), (4667, 1693870), (7345, 1076282), (7495, 1054742), (9334, 846935), (14690, 538141), (14990, 527371), (19487, 405670), (23335, 338774), (38974, 202835), (40567, 194870), (46670, 169387), (81134, 97435)]