199399213

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 230738112

約数和(自身を除く): 31338899

約数列:

[1, 13, 23, 43, 169, 299, 559, 989, 1193, 3887, 7267, 12857, 15509, 27439, 51299, 167141, 201617, 356707, 666887, 1179877, 4637191, 8669531, 15338401, 199399213]

約数ペア:

[(1, 199399213), (13, 15338401), (23, 8669531), (43, 4637191), (169, 1179877), (299, 666887), (559, 356707), (989, 201617), (1193, 167141), (3887, 51299), (7267, 27439), (12857, 15509)]