71131205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 92221440

約数和(自身を除く): 21090235

約数列:

[1, 5, 31, 37, 79, 155, 157, 185, 395, 785, 1147, 2449, 2923, 4867, 5735, 5809, 12245, 12403, 14615, 24335, 29045, 62015, 90613, 180079, 384493, 453065, 458911, 900395, 1922465, 2294555, 14226241, 71131205]

約数ペア:

[(1, 71131205), (5, 14226241), (31, 2294555), (37, 1922465), (79, 900395), (155, 458911), (157, 453065), (185, 384493), (395, 180079), (785, 90613), (1147, 62015), (2449, 29045), (2923, 24335), (4867, 14615), (5735, 12403), (5809, 12245)]