81251590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{7687}}^1$

素因数の和:7852

約数の個数: 32

約数和(自身を含む): 168274944

約数和(自身を除く): 87023354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2114, 5285, 7687, 10570, 15374, 38435, 53809, 76870, 107618, 269045, 538090, 1160737, 2321474, 5803685, 8125159, 11607370, 16250318, 40625795, 81251590]

約数ペア:

[(1, 81251590), (2, 40625795), (5, 16250318), (7, 11607370), (10, 8125159), (14, 5803685), (35, 2321474), (70, 1160737), (151, 538090), (302, 269045), (755, 107618), (1057, 76870), (1510, 53809), (2114, 38435), (5285, 15374), (7687, 10570)]