267907888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{389401}}^1$

素因数の和:389452

約数の個数: 20

約数和(自身を含む): 531144328

約数和(自身を除く): 263236440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 389401, 778802, 1557604, 3115208, 6230416, 16744243, 33488486, 66976972, 133953944, 267907888]

約数ペア:

[(1, 267907888), (2, 133953944), (4, 66976972), (8, 33488486), (16, 16744243), (43, 6230416), (86, 3115208), (172, 1557604), (344, 778802), (688, 389401)]