205365419

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{12739}}^1$

素因数の和:12807

約数の個数: 16

約数和(自身を含む): 244608000

約数和(自身を除く): 39242581

約数列:

[1, 7, 47, 49, 329, 343, 2303, 12739, 16121, 89173, 598733, 624211, 4191131, 4369477, 29337917, 205365419]

約数ペア:

[(1, 205365419), (7, 29337917), (47, 4369477), (49, 4191131), (329, 624211), (343, 598733), (2303, 89173), (12739, 16121)]