142788208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{207541}}^1$

素因数の和:207592

約数の個数: 20

約数和(自身を含む): 283087288

約数和(自身を除く): 140299080

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 207541, 415082, 830164, 1660328, 3320656, 8924263, 17848526, 35697052, 71394104, 142788208]

約数ペア:

[(1, 142788208), (2, 71394104), (4, 35697052), (8, 17848526), (16, 8924263), (43, 3320656), (86, 1660328), (172, 830164), (344, 415082), (688, 207541)]