78839604

素因数分解:

$2^2\times 3^2\times {\mathrm{2189989}}^1$

素因数の和:2189999

約数の個数: 18

約数和(自身を含む): 199289090

約数和(自身を除く): 120449486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2189989, 4379978, 6569967, 8759956, 13139934, 19709901, 26279868, 39419802, 78839604]

約数ペア:

[(1, 78839604), (2, 39419802), (3, 26279868), (4, 19709901), (6, 13139934), (9, 8759956), (12, 6569967), (18, 4379978), (36, 2189989)]