664731984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{8209}}^1$

素因数の和:8468

約数の個数: 80

約数和(自身を含む): 1970925440

約数和(自身を除く): 1306193456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 241, 336, 482, 723, 964, 1446, 1687, 1928, 2892, 3374, 3856, 5061, 5784, 6748, 8209, 10122, 11568, 13496, 16418, 20244, 24627, 26992, 32836, 40488, 49254, 57463, 65672, 80976, 98508, 114926, 131344, 172389, 197016, 229852, 344778, 394032, 459704, 689556, 919408, 1379112, 1978369, 2758224, 3956738, 5935107, 7913476, 11870214, 13848583, 15826952, 23740428, 27697166, 31653904, 41545749, 47480856, 55394332, 83091498, 94961712, 110788664, 166182996, 221577328, 332365992, 664731984]

約数ペア:

[(1, 664731984), (2, 332365992), (3, 221577328), (4, 166182996), (6, 110788664), (7, 94961712), (8, 83091498), (12, 55394332), (14, 47480856), (16, 41545749), (21, 31653904), (24, 27697166), (28, 23740428), (42, 15826952), (48, 13848583), (56, 11870214), (84, 7913476), (112, 5935107), (168, 3956738), (241, 2758224), (336, 1978369), (482, 1379112), (723, 919408), (964, 689556), (1446, 459704), (1687, 394032), (1928, 344778), (2892, 229852), (3374, 197016), (3856, 172389), (5061, 131344), (5784, 114926), (6748, 98508), (8209, 80976), (10122, 65672), (11568, 57463), (13496, 49254), (16418, 40488), (20244, 32836), (24627, 26992)]