79999006

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 130458240

約数和(自身を除く): 50459234

約数列:

[1, 2, 19, 38, 43, 86, 173, 283, 346, 566, 817, 1634, 3287, 5377, 6574, 7439, 10754, 12169, 14878, 24338, 48959, 97918, 141341, 231211, 282682, 462422, 930221, 1860442, 2105237, 4210474, 39999503, 79999006]

約数ペア:

[(1, 79999006), (2, 39999503), (19, 4210474), (38, 2105237), (43, 1860442), (86, 930221), (173, 462422), (283, 282682), (346, 231211), (566, 141341), (817, 97918), (1634, 48959), (3287, 24338), (5377, 14878), (6574, 12169), (7439, 10754)]