28187964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111857}}^1$

素因数の和:111874

約数の個数: 36

約数和(自身を含む): 81432624

約数和(自身を除く): 53244660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111857, 223714, 335571, 447428, 671142, 782999, 1006713, 1342284, 1565998, 2013426, 2348997, 3131996, 4026852, 4697994, 7046991, 9395988, 14093982, 28187964]

約数ペア:

[(1, 28187964), (2, 14093982), (3, 9395988), (4, 7046991), (6, 4697994), (7, 4026852), (9, 3131996), (12, 2348997), (14, 2013426), (18, 1565998), (21, 1342284), (28, 1006713), (36, 782999), (42, 671142), (63, 447428), (84, 335571), (126, 223714), (252, 111857)]