261279984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{777619}}^1$

素因数の和:777637

約数の個数: 40

約数和(自身を含む): 771399040

約数和(自身を除く): 510119056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 777619, 1555238, 2332857, 3110476, 4665714, 5443333, 6220952, 9331428, 10886666, 12441904, 16329999, 18662856, 21773332, 32659998, 37325712, 43546664, 65319996, 87093328, 130639992, 261279984]

約数ペア:

[(1, 261279984), (2, 130639992), (3, 87093328), (4, 65319996), (6, 43546664), (7, 37325712), (8, 32659998), (12, 21773332), (14, 18662856), (16, 16329999), (21, 12441904), (24, 10886666), (28, 9331428), (42, 6220952), (48, 5443333), (56, 4665714), (84, 3110476), (112, 2332857), (168, 1555238), (336, 777619)]