127681878

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21517}}^1$

素因数の和:21588

約数の個数: 32

約数和(自身を含む): 272676096

約数和(自身を除く): 144994218

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 5934, 21517, 43034, 64551, 129102, 494891, 925231, 989782, 1484673, 1850462, 2775693, 2969346, 5551386, 21280313, 42560626, 63840939, 127681878]

約数ペア:

[(1, 127681878), (2, 63840939), (3, 42560626), (6, 21280313), (23, 5551386), (43, 2969346), (46, 2775693), (69, 1850462), (86, 1484673), (129, 989782), (138, 925231), (258, 494891), (989, 129102), (1978, 64551), (2967, 43034), (5934, 21517)]