28391174

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{69929}}^1$

素因数の和:69967

約数の個数: 16

約数和(自身を含む): 50349600

約数和(自身を除く): 21958426

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 69929, 139858, 489503, 979006, 2027941, 4055882, 14195587, 28391174]

約数ペア:

[(1, 28391174), (2, 14195587), (7, 4055882), (14, 2027941), (29, 979006), (58, 489503), (203, 139858), (406, 69929)]