51970015

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 67415040

約数和(自身を除く): 15445025

約数列:

[1, 5, 37, 43, 47, 139, 185, 215, 235, 695, 1591, 1739, 2021, 5143, 5977, 6533, 7955, 8695, 10105, 25715, 29885, 32665, 74777, 221149, 241721, 280919, 373885, 1105745, 1208605, 1404595, 10394003, 51970015]

約数ペア:

[(1, 51970015), (5, 10394003), (37, 1404595), (43, 1208605), (47, 1105745), (139, 373885), (185, 280919), (215, 241721), (235, 221149), (695, 74777), (1591, 32665), (1739, 29885), (2021, 25715), (5143, 10105), (5977, 8695), (6533, 7955)]