198439278

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{260419}}^1$

素因数の和:260551

約数の個数: 16

約数和(自身を含む): 400005120

約数和(自身を除く): 201565842

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 260419, 520838, 781257, 1562514, 33073213, 66146426, 99219639, 198439278]

約数ペア:

[(1, 198439278), (2, 99219639), (3, 66146426), (6, 33073213), (127, 1562514), (254, 781257), (381, 520838), (762, 260419)]