128568518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{290879}}^1$

素因数の和:290911

約数の個数: 16

約数和(自身を含む): 219905280

約数和(自身を除く): 91336762

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 290879, 581758, 3781427, 4944943, 7562854, 9889886, 64284259, 128568518]

約数ペア:

[(1, 128568518), (2, 64284259), (13, 9889886), (17, 7562854), (26, 4944943), (34, 3781427), (221, 581758), (442, 290879)]