8221374

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 20666880

約数和(自身を除く): 12445506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 919, 994, 1278, 1491, 1838, 2757, 2982, 4473, 5514, 6433, 8271, 8946, 12866, 16542, 19299, 38598, 57897, 65249, 115794, 130498, 195747, 391494, 456743, 587241, 913486, 1174482, 1370229, 2740458, 4110687, 8221374]

約数ペア:

[(1, 8221374), (2, 4110687), (3, 2740458), (6, 1370229), (7, 1174482), (9, 913486), (14, 587241), (18, 456743), (21, 391494), (42, 195747), (63, 130498), (71, 115794), (126, 65249), (142, 57897), (213, 38598), (426, 19299), (497, 16542), (639, 12866), (919, 8946), (994, 8271), (1278, 6433), (1491, 5514), (1838, 4473), (2757, 2982)]