291237291107

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1\times {\mathrm{1997663}}^1$

素因数の和:1998082

約数の個数: 16

約数和(自身を含む): 339443066880

約数和(自身を除く): 48205775773

約数列:

[1, 7, 59, 353, 413, 2471, 20827, 145789, 1997663, 13983641, 117862117, 705175039, 825034819, 4936225273, 41605327301, 291237291107]

約数ペア:

[(1, 291237291107), (7, 41605327301), (59, 4936225273), (353, 825034819), (413, 705175039), (2471, 117862117), (20827, 13983641), (145789, 1997663)]