1621550398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{878413}}^1$

素因数の和:878499

約数の個数: 16

約数和(自身を含む): 2656323936

約数和(自身を除く): 1034773538

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 878413, 1756826, 11419369, 22838738, 62367323, 124734646, 810775199, 1621550398]

約数ペア:

[(1, 1621550398), (2, 810775199), (13, 124734646), (26, 62367323), (71, 22838738), (142, 11419369), (923, 1756826), (1846, 878413)]