81034145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 25410655

約数列:

[1, 5, 19, 43, 83, 95, 215, 239, 415, 817, 1195, 1577, 3569, 4085, 4541, 7885, 10277, 17845, 19837, 22705, 51385, 67811, 99185, 195263, 339055, 376903, 852991, 976315, 1884515, 4264955, 16206829, 81034145]

約数ペア:

[(1, 81034145), (5, 16206829), (19, 4264955), (43, 1884515), (83, 976315), (95, 852991), (215, 376903), (239, 339055), (415, 195263), (817, 99185), (1195, 67811), (1577, 51385), (3569, 22705), (4085, 19837), (4541, 17845), (7885, 10277)]