2788570990

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{397799}}^1$

素因数の和:398507

約数の個数: 16

約数和(自身を含む): 5026600800

約数和(自身を除く): 2238029810

約数列:

[1, 2, 5, 10, 701, 1402, 3505, 7010, 397799, 795598, 1988995, 3977990, 278857099, 557714198, 1394285495, 2788570990]

約数ペア:

[(1, 2788570990), (2, 1394285495), (5, 557714198), (10, 278857099), (701, 3977990), (1402, 1988995), (3505, 795598), (7010, 397799)]