187878920509

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{12194387}}^1$

素因数の和:12194496

約数の個数: 16

約数和(自身を含む): 224766959616

約数和(自身を除く): 36888039107

約数列:

[1, 7, 31, 71, 217, 497, 2201, 15407, 12194387, 85360709, 378025997, 865801477, 2646181979, 6060610339, 26839845787, 187878920509]

約数ペア:

[(1, 187878920509), (7, 26839845787), (31, 6060610339), (71, 2646181979), (217, 865801477), (497, 378025997), (2201, 85360709), (15407, 12194387)]