1990991579

素因数分解:

${\mathrm{131}}^1\times {\mathrm{1171}}^1\times {\mathrm{12979}}^1$

素因数の和:14281

約数の個数: 8

約数和(自身を含む): 2008057920

約数和(自身を除く): 17066341

約数列:

[1, 131, 1171, 12979, 153401, 1700249, 15198409, 1990991579]

約数ペア:

[(1, 1990991579), (131, 15198409), (1171, 1700249), (12979, 153401)]