128376494

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 203575680

約数和(自身を除く): 75199186

約数列:

[1, 2, 41, 53, 82, 106, 109, 218, 271, 542, 2173, 4346, 4469, 5777, 8938, 11111, 11554, 14363, 22222, 28726, 29539, 59078, 236857, 473714, 588883, 1177766, 1211099, 1565567, 2422198, 3131134, 64188247, 128376494]

約数ペア:

[(1, 128376494), (2, 64188247), (41, 3131134), (53, 2422198), (82, 1565567), (106, 1211099), (109, 1177766), (218, 588883), (271, 473714), (542, 236857), (2173, 59078), (4346, 29539), (4469, 28726), (5777, 22222), (8938, 14363), (11111, 11554)]