39572728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8849}}^1$

素因数の和:8911

約数の個数: 32

約数和(自身を含む): 81774000

約数和(自身を除く): 42201272

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 8849, 17698, 35396, 70792, 115037, 230074, 380507, 460148, 761014, 920296, 1522028, 3044056, 4946591, 9893182, 19786364, 39572728]

約数ペア:

[(1, 39572728), (2, 19786364), (4, 9893182), (8, 4946591), (13, 3044056), (26, 1522028), (43, 920296), (52, 761014), (86, 460148), (104, 380507), (172, 230074), (344, 115037), (559, 70792), (1118, 35396), (2236, 17698), (4472, 8849)]