128977454

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{2659}}^1$

素因数の和:3047

約数の個数: 16

約数和(自身を含む): 196627200

約数和(自身を除く): 67649746

約数列:

[1, 2, 79, 158, 307, 614, 2659, 5318, 24253, 48506, 210061, 420122, 816313, 1632626, 64488727, 128977454]

約数ペア:

[(1, 128977454), (2, 64488727), (79, 1632626), (158, 816313), (307, 420122), (614, 210061), (2659, 48506), (5318, 24253)]