127967207879

素因数分解:

$7^2\times {\mathrm{640249}}^1\times {\mathrm{4079}}^1$

素因数の和:644342

約数の個数: 12

約数和(自身を含む): 148896540000

約数和(自身を除く): 20929332121

約数列:

[1, 7, 49, 4079, 28553, 199871, 640249, 4481743, 31372201, 2611575671, 18281029697, 127967207879]

約数ペア:

[(1, 127967207879), (7, 18281029697), (49, 2611575671), (4079, 31372201), (28553, 4481743), (199871, 640249)]