207957071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{21419}}^1$

素因数の和:21518

約数の個数: 16

約数和(自身を含む): 253612800

約数和(自身を除く): 45655729

約数列:

[1, 7, 19, 73, 133, 511, 1387, 9709, 21419, 149933, 406961, 1563587, 2848727, 10945109, 29708153, 207957071]

約数ペア:

[(1, 207957071), (7, 29708153), (19, 10945109), (73, 2848727), (133, 1563587), (511, 406961), (1387, 149933), (9709, 21419)]