12720787196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{399071}}^1$

素因数の和:399701

約数の個数: 24

約数和(自身を含む): 24012960384

約数和(自身を除く): 11292173188

約数列:

[1, 2, 4, 13, 26, 52, 613, 1226, 2452, 7969, 15938, 31876, 399071, 798142, 1596284, 5187923, 10375846, 20751692, 244630523, 489261046, 978522092, 3180196799, 6360393598, 12720787196]

約数ペア:

[(1, 12720787196), (2, 6360393598), (4, 3180196799), (13, 978522092), (26, 489261046), (52, 244630523), (613, 20751692), (1226, 10375846), (2452, 5187923), (7969, 1596284), (15938, 798142), (31876, 399071)]