209499610

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{21013}}^1$

素因数の和:22017

約数の個数: 16

約数和(自身を含む): 377495496

約数和(自身を除く): 167995886

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 21013, 42026, 105065, 210130, 20949961, 41899922, 104749805, 209499610]

約数ペア:

[(1, 209499610), (2, 104749805), (5, 41899922), (10, 20949961), (997, 210130), (1994, 105065), (4985, 42026), (9970, 21013)]