138712259

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{1669}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 164167680

約数和(自身を除く): 25455421

約数列:

[1, 7, 31, 217, 383, 1669, 2681, 11683, 11873, 51739, 83111, 362173, 639227, 4474589, 19816037, 138712259]

約数ペア:

[(1, 138712259), (7, 19816037), (31, 4474589), (217, 639227), (383, 362173), (1669, 83111), (2681, 51739), (11683, 11873)]