9139106390

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2081801}}^1$

素因数の和:2082247

約数の個数: 16

約数和(自身を含む): 16487871840

約数和(自身を除く): 7348765450

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 2081801, 4163602, 10409005, 20818010, 913910639, 1827821278, 4569553195, 9139106390]

約数ペア:

[(1, 9139106390), (2, 4569553195), (5, 1827821278), (10, 913910639), (439, 20818010), (878, 10409005), (2195, 4163602), (4390, 2081801)]