31347638

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21739}}^1$

素因数の和:21851

約数の個数: 16

約数和(自身を含む): 54263040

約数和(自身を除く): 22915402

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 21739, 43478, 152173, 304346, 2239117, 4478234, 15673819, 31347638]

約数ペア:

[(1, 31347638), (2, 15673819), (7, 4478234), (14, 2239117), (103, 304346), (206, 152173), (721, 43478), (1442, 21739)]