1311403738

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{42257}}^1$

素因数の和:42581

約数の個数: 16

約数和(自身を含む): 2008100160

約数和(自身を除く): 696696422

約数列:

[1, 2, 59, 118, 263, 526, 15517, 31034, 42257, 84514, 2493163, 4986326, 11113591, 22227182, 655701869, 1311403738]

約数ペア:

[(1, 1311403738), (2, 655701869), (59, 22227182), (118, 11113591), (263, 4986326), (526, 2493163), (15517, 84514), (31034, 42257)]