121904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:428

約数の個数: 20

約数和(自身を含む): 249240

約数和(自身を除く): 127336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 401, 802, 1604, 3208, 6416, 7619, 15238, 30476, 60952, 121904]

約数ペア:

[(1, 121904), (2, 60952), (4, 30476), (8, 15238), (16, 7619), (19, 6416), (38, 3208), (76, 1604), (152, 802), (304, 401)]