128951956

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{124471}}^1$

素因数の和:124519

約数の個数: 24

約数和(自身を含む): 264876416

約数和(自身を除く): 135924460

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 124471, 248942, 497884, 871297, 1742594, 3485188, 4605427, 9210854, 18421708, 32237989, 64475978, 128951956]

約数ペア:

[(1, 128951956), (2, 64475978), (4, 32237989), (7, 18421708), (14, 9210854), (28, 4605427), (37, 3485188), (74, 1742594), (148, 871297), (259, 497884), (518, 248942), (1036, 124471)]