139421738

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{9371}}^1$

素因数の和:9589

約数の個数: 16

約数和(自身を含む): 215256096

約数和(自身を除く): 75834358

約数列:

[1, 2, 43, 86, 173, 346, 7439, 9371, 14878, 18742, 402953, 805906, 1621183, 3242366, 69710869, 139421738]

約数ペア:

[(1, 139421738), (2, 69710869), (43, 3242366), (86, 1621183), (173, 805906), (346, 402953), (7439, 18742), (9371, 14878)]