645087185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 838252800

約数和(自身を除く): 193165615

約数列:

[1, 5, 17, 71, 85, 139, 355, 695, 769, 1207, 2363, 3845, 6035, 9869, 11815, 13073, 49345, 54599, 65365, 106891, 167773, 272995, 534455, 838865, 928183, 1817147, 4640915, 7589261, 9085735, 37946305, 129017437, 645087185]

約数ペア:

[(1, 645087185), (5, 129017437), (17, 37946305), (71, 9085735), (85, 7589261), (139, 4640915), (355, 1817147), (695, 928183), (769, 838865), (1207, 534455), (2363, 272995), (3845, 167773), (6035, 106891), (9869, 65365), (11815, 54599), (13073, 49345)]