17949659903

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{3137}}^1\times {\mathrm{19937}}^1$

素因数の和:23122

約数の個数: 16

約数和(自身を含む): 21021989184

約数和(自身を除く): 3072329281

約数列:

[1, 7, 41, 287, 3137, 19937, 21959, 128617, 139559, 817417, 900319, 5721919, 62542369, 437796583, 2564237129, 17949659903]

約数ペア:

[(1, 17949659903), (7, 2564237129), (41, 437796583), (287, 62542369), (3137, 5721919), (19937, 900319), (21959, 817417), (128617, 139559)]