83437990

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19819}}^1$

素因数の和:20247

約数の個数: 16

約数和(自身を含む): 150552720

約数和(自身を除く): 67114730

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 19819, 39638, 99095, 198190, 8343799, 16687598, 41718995, 83437990]

約数ペア:

[(1, 83437990), (2, 41718995), (5, 16687598), (10, 8343799), (421, 198190), (842, 99095), (2105, 39638), (4210, 19819)]