28891907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 32778240

約数和(自身を除く): 3886333

約数列:

[1, 11, 31, 193, 341, 439, 2123, 4829, 5983, 13609, 65813, 84727, 149699, 931997, 2626537, 28891907]

約数ペア:

[(1, 28891907), (11, 2626537), (31, 931997), (193, 149699), (341, 84727), (439, 65813), (2123, 13609), (4829, 5983)]