213238788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2609}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 583178400

約数和(自身を除く): 369939612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 556, 588, 834, 973, 1668, 1946, 2609, 2919, 3892, 5218, 5838, 6811, 7827, 10436, 11676, 13622, 15654, 18263, 20433, 27244, 31308, 36526, 40866, 54789, 73052, 81732, 109578, 127841, 219156, 255682, 362651, 383523, 511364, 725302, 767046, 1087953, 1450604, 1534092, 2175906, 2538557, 4351812, 5077114, 7615671, 10154228, 15231342, 17769899, 30462684, 35539798, 53309697, 71079596, 106619394, 213238788]

約数ペア:

[(1, 213238788), (2, 106619394), (3, 71079596), (4, 53309697), (6, 35539798), (7, 30462684), (12, 17769899), (14, 15231342), (21, 10154228), (28, 7615671), (42, 5077114), (49, 4351812), (84, 2538557), (98, 2175906), (139, 1534092), (147, 1450604), (196, 1087953), (278, 767046), (294, 725302), (417, 511364), (556, 383523), (588, 362651), (834, 255682), (973, 219156), (1668, 127841), (1946, 109578), (2609, 81732), (2919, 73052), (3892, 54789), (5218, 40866), (5838, 36526), (6811, 31308), (7827, 27244), (10436, 20433), (11676, 18263), (13622, 15654)]