140906248

素因数分解:

$2^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3889}}^1$

素因数の和:4549

約数の個数: 32

約数和(自身を含む): 302486400

約数和(自身を除く): 161580152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 647, 1294, 2588, 3889, 4529, 5176, 7778, 9058, 15556, 18116, 27223, 31112, 36232, 54446, 108892, 217784, 2516183, 5032366, 10064732, 17613281, 20129464, 35226562, 70453124, 140906248]

約数ペア:

[(1, 140906248), (2, 70453124), (4, 35226562), (7, 20129464), (8, 17613281), (14, 10064732), (28, 5032366), (56, 2516183), (647, 217784), (1294, 108892), (2588, 54446), (3889, 36232), (4529, 31112), (5176, 27223), (7778, 18116), (9058, 15556)]