212145444

素因数分解:

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

素因数の和:326

約数の個数: 108

約数和(自身を含む): 625340352

約数和(自身を除く): 413194908

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, 5041, 5964, 6012, 7014, 8946, 10082, 10521, 11857, 14028, 15123, 17892, 20164, 21042, 23714, 30246, 35287, 35571, 42084, 45369, 47428, 60492, 70574, 71142, 82999, 90738, 105861, 106713, 141148, 142284, 165998, 181476, 211722, 213426, 248997, 317583, 331996, 423444, 426852, 497994, 635166, 746991, 841847, 995988, 1270332, 1493982, 1683694, 2525541, 2987964, 3367388, 5051082, 5892929, 7576623, 10102164, 11785858, 15153246, 17678787, 23571716, 30306492, 35357574, 53036361, 70715148, 106072722, 212145444]

約数ペア:

[(1, 212145444), (2, 106072722), (3, 70715148), (4, 53036361), (6, 35357574), (7, 30306492), (9, 23571716), (12, 17678787), (14, 15153246), (18, 11785858), (21, 10102164), (28, 7576623), (36, 5892929), (42, 5051082), (63, 3367388), (71, 2987964), (84, 2525541), (126, 1683694), (142, 1493982), (167, 1270332), (213, 995988), (252, 841847), (284, 746991), (334, 635166), (426, 497994), (497, 426852), (501, 423444), (639, 331996), (668, 317583), (852, 248997), (994, 213426), (1002, 211722), (1169, 181476), (1278, 165998), (1491, 142284), (1503, 141148), (1988, 106713), (2004, 105861), (2338, 90738), (2556, 82999), (2982, 71142), (3006, 70574), (3507, 60492), (4473, 47428), (4676, 45369), (5041, 42084), (5964, 35571), (6012, 35287), (7014, 30246), (8946, 23714), (10082, 21042), (10521, 20164), (11857, 17892), (14028, 15123)]