129209216

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{43889}}^1$

素因数の和:43926

約数の個数: 32

約数和(自身を含む): 268606800

約数和(自身を除く): 139397584

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 43889, 87778, 175556, 351112, 702224, 1009447, 1404448, 2018894, 2808896, 4037788, 5617792, 8075576, 16151152, 32302304, 64604608, 129209216]

約数ペア:

[(1, 129209216), (2, 64604608), (4, 32302304), (8, 16151152), (16, 8075576), (23, 5617792), (32, 4037788), (46, 2808896), (64, 2018894), (92, 1404448), (128, 1009447), (184, 702224), (368, 351112), (736, 175556), (1472, 87778), (2944, 43889)]