28380846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 61518240

約数和(自身を除く): 33137394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 2153, 2197, 4306, 4394, 6459, 6591, 12918, 13182, 27989, 55978, 83967, 167934, 363857, 727714, 1091571, 2183142, 4730141, 9460282, 14190423, 28380846]

約数ペア:

[(1, 28380846), (2, 14190423), (3, 9460282), (6, 4730141), (13, 2183142), (26, 1091571), (39, 727714), (78, 363857), (169, 167934), (338, 83967), (507, 55978), (1014, 27989), (2153, 13182), (2197, 12918), (4306, 6591), (4394, 6459)]