209531042

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{37699}}^1$

素因数の和:38105

約数の個数: 16

約数和(自身を含む): 360110400

約数和(自身を除く): 150579358

約数列:

[1, 2, 7, 14, 397, 794, 2779, 5558, 37699, 75398, 263893, 527786, 14966503, 29933006, 104765521, 209531042]

約数ペア:

[(1, 209531042), (2, 104765521), (7, 29933006), (14, 14966503), (397, 527786), (794, 263893), (2779, 75398), (5558, 37699)]