3981730

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1353

約数の個数: 16

約数和(自身を含む): 7191360

約数和(自身を除く): 3209630

約数列:

[1, 2, 5, 10, 439, 878, 907, 1814, 2195, 4390, 4535, 9070, 398173, 796346, 1990865, 3981730]

約数ペア:

[(1, 3981730), (2, 1990865), (5, 796346), (10, 398173), (439, 9070), (878, 4535), (907, 4390), (1814, 2195)]