138515425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 176910552

約数和(自身を除く): 38395127

約数列:

[1, 5, 25, 41, 205, 337, 401, 1025, 1685, 2005, 8425, 10025, 13817, 16441, 69085, 82205, 135137, 345425, 411025, 675685, 3378425, 5540617, 27703085, 138515425]

約数ペア:

[(1, 138515425), (5, 27703085), (25, 5540617), (41, 3378425), (205, 675685), (337, 411025), (401, 345425), (1025, 135137), (1685, 82205), (2005, 69085), (8425, 16441), (10025, 13817)]