639372214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1\times {\mathrm{7321}}^1$

素因数の和:10695

約数の個数: 16

約数和(自身を含む): 1033280640

約数和(自身を除く): 393908426

約数列:

[1, 2, 13, 26, 3359, 6718, 7321, 14642, 43667, 87334, 95173, 190346, 24591239, 49182478, 319686107, 639372214]

約数ペア:

[(1, 639372214), (2, 319686107), (13, 49182478), (26, 24591239), (3359, 190346), (6718, 95173), (7321, 87334), (14642, 43667)]