2549203419

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6388981}}^1$

素因数の和:6389010

約数の個数: 16

約数和(自身を含む): 4088948480

約数和(自身を除く): 1539745061

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6388981, 19166943, 44722867, 121390639, 134168601, 364171917, 849734473, 2549203419]

約数ペア:

[(1, 2549203419), (3, 849734473), (7, 364171917), (19, 134168601), (21, 121390639), (57, 44722867), (133, 19166943), (399, 6388981)]