16641331

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 20

約数和(自身を含む): 20167200

約数和(自身を除く): 3525869

約数列:

[1, 7, 29, 49, 203, 239, 343, 1421, 1673, 2401, 6931, 9947, 11711, 48517, 69629, 81977, 339619, 573839, 2377333, 16641331]

約数ペア:

[(1, 16641331), (7, 2377333), (29, 573839), (49, 339619), (203, 81977), (239, 69629), (343, 48517), (1421, 11711), (1673, 9947), (2401, 6931)]