1138678412

素因数分解:

$2^2\times {\mathrm{643}}^1\times {\mathrm{442721}}^1$

素因数の和:443368

約数の個数: 12

約数和(自身を含む): 1995790776

約数和(自身を除く): 857112364

約数列:

[1, 2, 4, 643, 1286, 2572, 442721, 885442, 1770884, 284669603, 569339206, 1138678412]

約数ペア:

[(1, 1138678412), (2, 569339206), (4, 284669603), (643, 1770884), (1286, 885442), (2572, 442721)]