2089945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 3064320

約数和(自身を除く): 974375

約数列:

[1, 5, 11, 13, 37, 55, 65, 79, 143, 185, 395, 407, 481, 715, 869, 1027, 2035, 2405, 2923, 4345, 5135, 5291, 11297, 14615, 26455, 32153, 37999, 56485, 160765, 189995, 417989, 2089945]

約数ペア:

[(1, 2089945), (5, 417989), (11, 189995), (13, 160765), (37, 56485), (55, 37999), (65, 32153), (79, 26455), (143, 14615), (185, 11297), (395, 5291), (407, 5135), (481, 4345), (715, 2923), (869, 2405), (1027, 2035)]