639423941

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{40751}}^1$

素因数の和:40852

約数の個数: 16

約数和(自身を含む): 739404288

約数和(自身を除く): 99980347

約数列:

[1, 13, 17, 71, 221, 923, 1207, 15691, 40751, 529763, 692767, 2893321, 9005971, 37613173, 49186457, 639423941]

約数ペア:

[(1, 639423941), (13, 49186457), (17, 37613173), (71, 9005971), (221, 2893321), (923, 692767), (1207, 529763), (15691, 40751)]