2987964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 8805888

約数和(自身を除く): 5817924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 167, 213, 252, 284, 334, 426, 497, 501, 639, 668, 852, 994, 1002, 1169, 1278, 1491, 1503, 1988, 2004, 2338, 2556, 2982, 3006, 3507, 4473, 4676, 5964, 6012, 7014, 8946, 10521, 11857, 14028, 17892, 21042, 23714, 35571, 42084, 47428, 71142, 82999, 106713, 142284, 165998, 213426, 248997, 331996, 426852, 497994, 746991, 995988, 1493982, 2987964]

約数ペア:

[(1, 2987964), (2, 1493982), (3, 995988), (4, 746991), (6, 497994), (7, 426852), (9, 331996), (12, 248997), (14, 213426), (18, 165998), (21, 142284), (28, 106713), (36, 82999), (42, 71142), (63, 47428), (71, 42084), (84, 35571), (126, 23714), (142, 21042), (167, 17892), (213, 14028), (252, 11857), (284, 10521), (334, 8946), (426, 7014), (497, 6012), (501, 5964), (639, 4676), (668, 4473), (852, 3507), (994, 3006), (1002, 2982), (1169, 2556), (1278, 2338), (1491, 2004), (1503, 1988)]