1989342719

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{446141}}^1$

素因数の和:446175

約数の個数: 16

約数和(自身を含む): 2498395200

約数和(自身を除く): 509052481

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 446141, 3122987, 5799833, 21860909, 40598831, 153026363, 284191817, 1989342719]

約数ペア:

[(1, 1989342719), (7, 284191817), (13, 153026363), (49, 40598831), (91, 21860909), (343, 5799833), (637, 3122987), (4459, 446141)]