275888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 548328

約数和(自身を除く): 272440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 401, 688, 802, 1604, 3208, 6416, 17243, 34486, 68972, 137944, 275888]

約数ペア:

[(1, 275888), (2, 137944), (4, 68972), (8, 34486), (16, 17243), (43, 6416), (86, 3208), (172, 1604), (344, 802), (401, 688)]