209968183

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{1103}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 227335680

約数和(自身を除く): 17367497

約数列:

[1, 19, 43, 233, 817, 1103, 4427, 10019, 20957, 47429, 190361, 256999, 901151, 4882981, 11050957, 209968183]

約数ペア:

[(1, 209968183), (19, 11050957), (43, 4882981), (233, 901151), (817, 256999), (1103, 190361), (4427, 47429), (10019, 20957)]