28279657

素因数分解:

$7^1\times {\mathrm{19}}^4\times {\mathrm{31}}^1$

素因数の和:114

約数の個数: 20

約数和(自身を含む): 35215616

約数和(自身を除く): 6935959

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 2527, 4123, 6859, 11191, 48013, 78337, 130321, 212629, 912247, 1488403, 4039951, 28279657]

約数ペア:

[(1, 28279657), (7, 4039951), (19, 1488403), (31, 912247), (133, 212629), (217, 130321), (361, 78337), (589, 48013), (2527, 11191), (4123, 6859)]