1681717745

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{87887}}^1$

素因数の和:88024

約数の個数: 16

約数和(自身を含む): 2088218880

約数和(自身を除く): 406501135

約数列:

[1, 5, 43, 89, 215, 445, 3827, 19135, 87887, 439435, 3779141, 7821943, 18895705, 39109715, 336343549, 1681717745]

約数ペア:

[(1, 1681717745), (5, 336343549), (43, 39109715), (89, 18895705), (215, 7821943), (445, 3779141), (3827, 439435), (19135, 87887)]