208431839

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{55243}}^1$

素因数の和:55275

約数の個数: 16

約数和(自身を含む): 265171200

約数和(自身を除く): 56739361

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 55243, 386701, 607673, 2706907, 4253711, 18948349, 29775977, 208431839]

約数ペア:

[(1, 208431839), (7, 29775977), (11, 18948349), (49, 4253711), (77, 2706907), (343, 607673), (539, 386701), (3773, 55243)]