247022489

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{2251}}^1$

素因数の和:2576

約数の個数: 16

約数和(自身を含む): 288183936

約数和(自身を除く): 41161447

約数列:

[1, 7, 61, 257, 427, 1799, 2251, 15677, 15757, 109739, 137311, 578507, 961177, 4049549, 35288927, 247022489]

約数ペア:

[(1, 247022489), (7, 35288927), (61, 4049549), (257, 961177), (427, 578507), (1799, 137311), (2251, 109739), (15677, 15757)]