257445212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199261}}^1$

素因数の和:199301

約数の個数: 24

約数和(自身を含む): 502140240

約数和(自身を除く): 244695028

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 199261, 398522, 797044, 3387437, 3785959, 6774874, 7571918, 13549748, 15143836, 64361303, 128722606, 257445212]

約数ペア:

[(1, 257445212), (2, 128722606), (4, 64361303), (17, 15143836), (19, 13549748), (34, 7571918), (38, 6774874), (68, 3785959), (76, 3387437), (323, 797044), (646, 398522), (1292, 199261)]