636258974

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{26513}}^1$

素因数の和:26612

約数の個数: 24

約数和(自身を含む): 1048045392

約数和(自身を除く): 411786418

約数列:

[1, 2, 13, 26, 71, 142, 169, 338, 923, 1846, 11999, 23998, 26513, 53026, 344669, 689338, 1882423, 3764846, 4480697, 8961394, 24471499, 48942998, 318129487, 636258974]

約数ペア:

[(1, 636258974), (2, 318129487), (13, 48942998), (26, 24471499), (71, 8961394), (142, 4480697), (169, 3764846), (338, 1882423), (923, 689338), (1846, 344669), (11999, 53026), (23998, 26513)]