257262

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 524880

約数和(自身を除く): 267618

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 809, 1618, 2427, 4854, 42877, 85754, 128631, 257262]

約数ペア:

[(1, 257262), (2, 128631), (3, 85754), (6, 42877), (53, 4854), (106, 2427), (159, 1618), (318, 809)]