1660219127

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{79349}}^1$

素因数の和:79431

約数の個数: 16

約数和(自身を含む): 1967880000

約数和(自身を除く): 307660873

約数列:

[1, 7, 49, 61, 343, 427, 2989, 20923, 79349, 555443, 3888101, 4840289, 27216707, 33882023, 237174161, 1660219127]

約数ペア:

[(1, 1660219127), (7, 237174161), (49, 33882023), (61, 27216707), (343, 4840289), (427, 3888101), (2989, 555443), (20923, 79349)]