209219095

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{3847}}^1$

素因数の和:4074

約数の個数: 16

約数和(自身を含む): 256276800

約数和(自身を除く): 47057705

約数列:

[1, 5, 73, 149, 365, 745, 3847, 10877, 19235, 54385, 280831, 573203, 1404155, 2866015, 41843819, 209219095]

約数ペア:

[(1, 209219095), (5, 41843819), (73, 2866015), (149, 1404155), (365, 573203), (745, 280831), (3847, 54385), (10877, 19235)]