1878305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 2757888

約数和(自身を除く): 879583

約数列:

[1, 5, 11, 13, 37, 55, 65, 71, 143, 185, 355, 407, 481, 715, 781, 923, 2035, 2405, 2627, 3905, 4615, 5291, 10153, 13135, 26455, 28897, 34151, 50765, 144485, 170755, 375661, 1878305]

約数ペア:

[(1, 1878305), (5, 375661), (11, 170755), (13, 144485), (37, 50765), (55, 34151), (65, 28897), (71, 26455), (143, 13135), (185, 10153), (355, 5291), (407, 4615), (481, 3905), (715, 2627), (781, 2405), (923, 2035)]