2012689904

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{990497}}^1$

素因数の和:990632

約数の個数: 20

約数和(自身を含む): 3930296064

約数和(自身を除く): 1917606160

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 990497, 1980994, 3961988, 7923976, 15847952, 125793119, 251586238, 503172476, 1006344952, 2012689904]

約数ペア:

[(1, 2012689904), (2, 1006344952), (4, 503172476), (8, 251586238), (16, 125793119), (127, 15847952), (254, 7923976), (508, 3961988), (1016, 1980994), (2032, 990497)]