209489722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{187379}}^1$

素因数の和:187437

約数の個数: 16

約数和(自身を含む): 346278240

約数和(自身を除く): 136788518

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 187379, 374758, 2435927, 4871854, 8057297, 16114594, 104744861, 209489722]

約数ペア:

[(1, 209489722), (2, 104744861), (13, 16114594), (26, 8057297), (43, 4871854), (86, 2435927), (559, 374758), (1118, 187379)]