2588730781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{1439}}^1$

素因数の和:1885

約数の個数: 32

約数和(自身を含む): 3257210880

約数和(自身を除く): 668480099

約数列:

[1, 7, 13, 53, 91, 371, 373, 689, 1439, 2611, 4823, 4849, 10073, 18707, 19769, 33943, 76267, 130949, 138383, 256997, 533869, 536747, 991471, 1798979, 3757229, 6940297, 6977711, 28447591, 48843977, 199133137, 369818683, 2588730781]

約数ペア:

[(1, 2588730781), (7, 369818683), (13, 199133137), (53, 48843977), (91, 28447591), (371, 6977711), (373, 6940297), (689, 3757229), (1439, 1798979), (2611, 991471), (4823, 536747), (4849, 533869), (10073, 256997), (18707, 138383), (19769, 130949), (33943, 76267)]