31985278

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:748

約数の個数: 24

約数和(自身を含む): 52348248

約数和(自身を除く): 20362970

約数列:

[1, 2, 13, 26, 169, 173, 338, 346, 547, 1094, 2249, 4498, 7111, 14222, 29237, 58474, 92443, 94631, 184886, 189262, 1230203, 2460406, 15992639, 31985278]

約数ペア:

[(1, 31985278), (2, 15992639), (13, 2460406), (26, 1230203), (169, 189262), (173, 184886), (338, 94631), (346, 92443), (547, 58474), (1094, 29237), (2249, 14222), (4498, 7111)]