81952195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 109771200

約数和(自身を除く): 27819005

約数列:

[1, 5, 13, 43, 65, 109, 215, 269, 545, 559, 1345, 1417, 2795, 3497, 4687, 7085, 11567, 17485, 23435, 29321, 57835, 60931, 146605, 150371, 304655, 381173, 751855, 1260803, 1905865, 6304015, 16390439, 81952195]

約数ペア:

[(1, 81952195), (5, 16390439), (13, 6304015), (43, 1905865), (65, 1260803), (109, 751855), (215, 381173), (269, 304655), (545, 150371), (559, 146605), (1345, 60931), (1417, 57835), (2795, 29321), (3497, 23435), (4687, 17485), (7085, 11567)]