1999400984

素因数分解:

$2^3\times 7^1\times {\mathrm{35703589}}^1$

素因数の和:35703602

約数の個数: 16

約数和(自身を含む): 4284430800

約数和(自身を除く): 2285029816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 35703589, 71407178, 142814356, 249925123, 285628712, 499850246, 999700492, 1999400984]

約数ペア:

[(1, 1999400984), (2, 999700492), (4, 499850246), (7, 285628712), (8, 249925123), (14, 142814356), (28, 71407178), (56, 35703589)]