407127985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{673}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 566030592

約数和(自身を除く): 158902607

約数列:

[1, 5, 11, 17, 55, 85, 187, 647, 673, 935, 3235, 3365, 7117, 7403, 10999, 11441, 35585, 37015, 54995, 57205, 120989, 125851, 435431, 604945, 629255, 2177155, 4789741, 7402327, 23948705, 37011635, 81425597, 407127985]

約数ペア:

[(1, 407127985), (5, 81425597), (11, 37011635), (17, 23948705), (55, 7402327), (85, 4789741), (187, 2177155), (647, 629255), (673, 604945), (935, 435431), (3235, 125851), (3365, 120989), (7117, 57205), (7403, 54995), (10999, 37015), (11441, 35585)]