81605185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 107775360

約数和(自身を除く): 26170175

約数列:

[1, 5, 17, 43, 83, 85, 215, 269, 415, 731, 1345, 1411, 3569, 3655, 4573, 7055, 11567, 17845, 22327, 22865, 57835, 60673, 111635, 196639, 303365, 379559, 960061, 983195, 1897795, 4800305, 16321037, 81605185]

約数ペア:

[(1, 81605185), (5, 16321037), (17, 4800305), (43, 1897795), (83, 983195), (85, 960061), (215, 379559), (269, 303365), (415, 196639), (731, 111635), (1345, 60673), (1411, 57835), (3569, 22865), (3655, 22327), (4573, 17845), (7055, 11567)]