127978414

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{198109}}^1$

素因数の和:198147

約数の個数: 16

約数和(自身を含む): 213958800

約数和(自身を除く): 85980386

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 198109, 396218, 3367853, 3764071, 6735706, 7528142, 63989207, 127978414]

約数ペア:

[(1, 127978414), (2, 63989207), (17, 7528142), (19, 6735706), (34, 3764071), (38, 3367853), (323, 396218), (646, 198109)]