328006784

素因数分解:

$2^7\times 7^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 789888000

約数和(自身を除く): 461881216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 241, 248, 343, 392, 434, 448, 482, 496, 686, 784, 868, 896, 964, 992, 1372, 1519, 1568, 1687, 1736, 1928, 1984, 2744, 3038, 3136, 3374, 3472, 3856, 3968, 5488, 6076, 6272, 6748, 6944, 7471, 7712, 10633, 10976, 11809, 12152, 13496, 13888, 14942, 15424, 21266, 21952, 23618, 24304, 26992, 27776, 29884, 30848, 42532, 43904, 47236, 48608, 52297, 53984, 59768, 82663, 85064, 94472, 97216, 104594, 107968, 119536, 165326, 170128, 188944, 194432, 209188, 215936, 239072, 330652, 340256, 366079, 377888, 418376, 478144, 661304, 680512, 732158, 755776, 836752, 956288, 1322608, 1361024, 1464316, 1511552, 1673504, 2562553, 2645216, 2928632, 3347008, 5125106, 5290432, 5857264, 6694016, 10250212, 10580864, 11714528, 20500424, 23429056, 41000848, 46858112, 82001696, 164003392, 328006784]

約数ペア:

[(1, 328006784), (2, 164003392), (4, 82001696), (7, 46858112), (8, 41000848), (14, 23429056), (16, 20500424), (28, 11714528), (31, 10580864), (32, 10250212), (49, 6694016), (56, 5857264), (62, 5290432), (64, 5125106), (98, 3347008), (112, 2928632), (124, 2645216), (128, 2562553), (196, 1673504), (217, 1511552), (224, 1464316), (241, 1361024), (248, 1322608), (343, 956288), (392, 836752), (434, 755776), (448, 732158), (482, 680512), (496, 661304), (686, 478144), (784, 418376), (868, 377888), (896, 366079), (964, 340256), (992, 330652), (1372, 239072), (1519, 215936), (1568, 209188), (1687, 194432), (1736, 188944), (1928, 170128), (1984, 165326), (2744, 119536), (3038, 107968), (3136, 104594), (3374, 97216), (3472, 94472), (3856, 85064), (3968, 82663), (5488, 59768), (6076, 53984), (6272, 52297), (6748, 48608), (6944, 47236), (7471, 43904), (7712, 42532), (10633, 30848), (10976, 29884), (11809, 27776), (12152, 26992), (13496, 24304), (13888, 23618), (14942, 21952), (15424, 21266)]