221520026

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1217143}}^1$

素因数の和:1217165

約数の個数: 16

約数和(自身を含む): 408960384

約数和(自身を除く): 187440358

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 1217143, 2434286, 8520001, 15822859, 17040002, 31645718, 110760013, 221520026]

約数ペア:

[(1, 221520026), (2, 110760013), (7, 31645718), (13, 17040002), (14, 15822859), (26, 8520001), (91, 2434286), (182, 1217143)]