287321857

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 325140480

約数和(自身を除く): 37818623

約数列:

[1, 19, 31, 47, 97, 107, 589, 893, 1457, 1843, 2033, 3007, 3317, 4559, 5029, 10379, 27683, 57133, 63023, 86621, 95551, 141329, 155899, 197201, 321749, 487813, 2685251, 2962081, 6113231, 9268447, 15122203, 287321857]

約数ペア:

[(1, 287321857), (19, 15122203), (31, 9268447), (47, 6113231), (97, 2962081), (107, 2685251), (589, 487813), (893, 321749), (1457, 197201), (1843, 155899), (2033, 141329), (3007, 95551), (3317, 86621), (4559, 63023), (5029, 57133), (10379, 27683)]