201990565

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{134213}}^1$

素因数の和:134268

約数の個数: 16

約数和(自身を含む): 283459968

約数和(自身を除く): 81469403

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 134213, 671065, 939491, 4697455, 5771159, 28855795, 40398113, 201990565]

約数ペア:

[(1, 201990565), (5, 40398113), (7, 28855795), (35, 5771159), (43, 4697455), (215, 939491), (301, 671065), (1505, 134213)]