68878518

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{266971}}^1$

素因数の和:267019

約数の個数: 16

約数和(自身を含む): 140961216

約数和(自身を除く): 72082698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 266971, 533942, 800913, 1601826, 11479753, 22959506, 34439259, 68878518]

約数ペア:

[(1, 68878518), (2, 34439259), (3, 22959506), (6, 11479753), (43, 1601826), (86, 800913), (129, 533942), (258, 266971)]