128039290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{673891}}^1$

素因数の和:673917

約数の個数: 16

約数和(自身を含む): 242601120

約数和(自身を除く): 114561830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 673891, 1347782, 3369455, 6738910, 12803929, 25607858, 64019645, 128039290]

約数ペア:

[(1, 128039290), (2, 64019645), (5, 25607858), (10, 12803929), (19, 6738910), (38, 3369455), (95, 1347782), (190, 673891)]