399065104

素因数分解:

$2^4\times {\mathrm{2347}}^1\times {\mathrm{10627}}^1$

素因数の和:12982

約数の個数: 20

約数和(自身を含む): 773590864

約数和(自身を除く): 374525760

約数列:

[1, 2, 4, 8, 16, 2347, 4694, 9388, 10627, 18776, 21254, 37552, 42508, 85016, 170032, 24941569, 49883138, 99766276, 199532552, 399065104]

約数ペア:

[(1, 399065104), (2, 199532552), (4, 99766276), (8, 49883138), (16, 24941569), (2347, 170032), (4694, 85016), (9388, 42508), (10627, 37552), (18776, 21254)]