1277897224

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{636403}}^1$

素因数の和:636660

約数の個数: 16

約数和(自身を含む): 2405607120

約数和(自身を除く): 1127709896

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 636403, 1272806, 2545612, 5091224, 159737153, 319474306, 638948612, 1277897224]

約数ペア:

[(1, 1277897224), (2, 638948612), (4, 319474306), (8, 159737153), (251, 5091224), (502, 2545612), (1004, 1272806), (2008, 636403)]