1688016670

素因数分解:

$2^1\times 5^1\times {\mathrm{8209}}^1\times {\mathrm{20563}}^1$

素因数の和:28779

約数の個数: 16

約数和(自身を含む): 3038947920

約数和(自身を除く): 1350931250

約数列:

[1, 2, 5, 10, 8209, 16418, 20563, 41045, 41126, 82090, 102815, 205630, 168801667, 337603334, 844008335, 1688016670]

約数ペア:

[(1, 1688016670), (2, 844008335), (5, 337603334), (10, 168801667), (8209, 205630), (16418, 102815), (20563, 82090), (41045, 41126)]