214523519

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{10253}}^1$

素因数の和:10335

約数の個数: 16

約数和(自身を含む): 254299200

約数和(自身を除く): 39775681

約数列:

[1, 7, 49, 61, 343, 427, 2989, 10253, 20923, 71771, 502397, 625433, 3516779, 4378031, 30646217, 214523519]

約数ペア:

[(1, 214523519), (7, 30646217), (49, 4378031), (61, 3516779), (343, 625433), (427, 502397), (2989, 71771), (10253, 20923)]