20161219016

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31900663}}^1$

素因数の和:31900748

約数の個数: 16

約数和(自身を含む): 38280796800

約数和(自身を除く): 18119577784

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31900663, 63801326, 127602652, 255205304, 2520152377, 5040304754, 10080609508, 20161219016]

約数ペア:

[(1, 20161219016), (2, 10080609508), (4, 5040304754), (8, 2520152377), (79, 255205304), (158, 127602652), (316, 63801326), (632, 31900663)]