78891716

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 143178840

約数和(自身を除く): 64287124

約数列:

[1, 2, 4, 29, 58, 116, 641, 1061, 1282, 2122, 2564, 4244, 18589, 30769, 37178, 61538, 74356, 123076, 680101, 1360202, 2720404, 19722929, 39445858, 78891716]

約数ペア:

[(1, 78891716), (2, 39445858), (4, 19722929), (29, 2720404), (58, 1360202), (116, 680101), (641, 123076), (1061, 74356), (1282, 61538), (2122, 37178), (2564, 30769), (4244, 18589)]