2789008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{5623}}^1$

素因数の和:5662

約数の個数: 20

約数和(自身を含む): 5579008

約数和(自身を除く): 2790000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 5623, 11246, 22492, 44984, 89968, 174313, 348626, 697252, 1394504, 2789008]

約数ペア:

[(1, 2789008), (2, 1394504), (4, 697252), (8, 348626), (16, 174313), (31, 89968), (62, 44984), (124, 22492), (248, 11246), (496, 5623)]