51881215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 67962240

約数和(自身を除く): 16081025

約数列:

[1, 5, 23, 37, 89, 115, 137, 185, 445, 685, 851, 2047, 3151, 3293, 4255, 5069, 10235, 12193, 15755, 16465, 25345, 60965, 75739, 116587, 280439, 378695, 451141, 582935, 1402195, 2255705, 10376243, 51881215]

約数ペア:

[(1, 51881215), (5, 10376243), (23, 2255705), (37, 1402195), (89, 582935), (115, 451141), (137, 378695), (185, 280439), (445, 116587), (685, 75739), (851, 60965), (2047, 25345), (3151, 16465), (3293, 15755), (4255, 12193), (5069, 10235)]