4247369

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 20

約数和(自身を含む): 5209860

約数和(自身を除く): 962491

約数列:

[1, 7, 29, 49, 61, 203, 343, 427, 1421, 1769, 2401, 2989, 9947, 12383, 20923, 69629, 86681, 146461, 606767, 4247369]

約数ペア:

[(1, 4247369), (7, 606767), (29, 146461), (49, 86681), (61, 69629), (203, 20923), (343, 12383), (427, 9947), (1421, 2989), (1769, 2401)]