1277772642

素因数分解:

$2^1\times 3^2\times {\mathrm{70987369}}^1$

素因数の和:70987377

約数の個数: 12

約数和(自身を含む): 2768507430

約数和(自身を除く): 1490734788

約数列:

[1, 2, 3, 6, 9, 18, 70987369, 141974738, 212962107, 425924214, 638886321, 1277772642]

約数ペア:

[(1, 1277772642), (2, 638886321), (3, 425924214), (6, 212962107), (9, 141974738), (18, 70987369)]