1800988

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 3636864

約数和(自身を除く): 1835876

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 491, 524, 917, 982, 1834, 1964, 3437, 3668, 6874, 13748, 64321, 128642, 257284, 450247, 900494, 1800988]

約数ペア:

[(1, 1800988), (2, 900494), (4, 450247), (7, 257284), (14, 128642), (28, 64321), (131, 13748), (262, 6874), (491, 3668), (524, 3437), (917, 1964), (982, 1834)]