217334255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 284739840

約数和(自身を除く): 67405585

約数列:

[1, 5, 19, 43, 83, 95, 215, 415, 641, 817, 1577, 3205, 3569, 4085, 7885, 12179, 17845, 27563, 53203, 60895, 67811, 137815, 266015, 339055, 523697, 1010857, 2287729, 2618485, 5054285, 11438645, 43466851, 217334255]

約数ペア:

[(1, 217334255), (5, 43466851), (19, 11438645), (43, 5054285), (83, 2618485), (95, 2287729), (215, 1010857), (415, 523697), (641, 339055), (817, 266015), (1577, 137815), (3205, 67811), (3569, 60895), (4085, 53203), (7885, 27563), (12179, 17845)]