209219899

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{2237}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 247504896

約数和(自身を除く): 38284997

約数列:

[1, 7, 31, 217, 431, 2237, 3017, 13361, 15659, 69347, 93527, 485429, 964147, 6749029, 29888557, 209219899]

約数ペア:

[(1, 209219899), (7, 29888557), (31, 6749029), (217, 964147), (431, 485429), (2237, 93527), (3017, 69347), (13361, 15659)]