254606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 16

約数和(自身を含む): 425088

約数和(自身を除く): 170482

約数列:

[1, 2, 11, 22, 71, 142, 163, 326, 781, 1562, 1793, 3586, 11573, 23146, 127303, 254606]

約数ペア:

[(1, 254606), (2, 127303), (11, 23146), (22, 11573), (71, 3586), (142, 1793), (163, 1562), (326, 781)]