28040314

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:658

約数の個数: 24

約数和(自身を含む): 45098208

約数和(自身を除く): 17057894

約数列:

[1, 2, 19, 38, 71, 142, 361, 547, 722, 1094, 1349, 2698, 10393, 20786, 25631, 38837, 51262, 77674, 197467, 394934, 737903, 1475806, 14020157, 28040314]

約数ペア:

[(1, 28040314), (2, 14020157), (19, 1475806), (38, 737903), (71, 394934), (142, 197467), (361, 77674), (547, 51262), (722, 38837), (1094, 25631), (1349, 20786), (2698, 10393)]