1940781689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{39199}}^1$

素因数の和:39860

約数の個数: 16

約数和(自身を含む): 2423500800

約数和(自身を除く): 482719111

約数列:

[1, 7, 11, 77, 643, 4501, 7073, 39199, 49511, 274393, 431189, 3018323, 25204957, 176434699, 277254527, 1940781689]

約数ペア:

[(1, 1940781689), (7, 277254527), (11, 176434699), (77, 25204957), (643, 3018323), (4501, 431189), (7073, 274393), (39199, 49511)]