39681415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{463}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 48675456

約数和(自身を除く): 8994041

約数列:

[1, 5, 61, 281, 305, 463, 1405, 2315, 17141, 28243, 85705, 130103, 141215, 650515, 7936283, 39681415]

約数ペア:

[(1, 39681415), (5, 7936283), (61, 650515), (281, 141215), (305, 130103), (463, 85705), (1405, 28243), (2315, 17141)]