287423808

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 168

約数和(自身を含む): 895087872

約数和(自身を除く): 607664064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 137, 147, 168, 192, 196, 223, 224, 274, 294, 336, 392, 411, 446, 448, 548, 588, 669, 672, 784, 822, 892, 959, 1096, 1176, 1338, 1344, 1561, 1568, 1644, 1784, 1918, 2192, 2352, 2676, 2877, 3122, 3136, 3288, 3568, 3836, 4384, 4683, 4704, 5352, 5754, 6244, 6576, 6713, 7136, 7672, 8768, 9366, 9408, 10704, 10927, 11508, 12488, 13152, 13426, 14272, 15344, 18732, 20139, 21408, 21854, 23016, 24976, 26304, 26852, 30551, 30688, 32781, 37464, 40278, 42816, 43708, 46032, 49952, 53704, 61102, 61376, 65562, 74928, 80556, 87416, 91653, 92064, 99904, 107408, 122204, 131124, 149856, 161112, 174832, 183306, 184128, 213857, 214816, 244408, 262248, 299712, 322224, 349664, 366612, 427714, 429632, 488816, 524496, 641571, 644448, 699328, 733224, 855428, 977632, 1048992, 1283142, 1288896, 1466448, 1496999, 1710856, 1955264, 2097984, 2566284, 2932896, 2993998, 3421712, 4490997, 5132568, 5865792, 5987996, 6843424, 8981994, 10265136, 11975992, 13686848, 17963988, 20530272, 23951984, 35927976, 41060544, 47903968, 71855952, 95807936, 143711904, 287423808]

約数ペア:

[(1, 287423808), (2, 143711904), (3, 95807936), (4, 71855952), (6, 47903968), (7, 41060544), (8, 35927976), (12, 23951984), (14, 20530272), (16, 17963988), (21, 13686848), (24, 11975992), (28, 10265136), (32, 8981994), (42, 6843424), (48, 5987996), (49, 5865792), (56, 5132568), (64, 4490997), (84, 3421712), (96, 2993998), (98, 2932896), (112, 2566284), (137, 2097984), (147, 1955264), (168, 1710856), (192, 1496999), (196, 1466448), (223, 1288896), (224, 1283142), (274, 1048992), (294, 977632), (336, 855428), (392, 733224), (411, 699328), (446, 644448), (448, 641571), (548, 524496), (588, 488816), (669, 429632), (672, 427714), (784, 366612), (822, 349664), (892, 322224), (959, 299712), (1096, 262248), (1176, 244408), (1338, 214816), (1344, 213857), (1561, 184128), (1568, 183306), (1644, 174832), (1784, 161112), (1918, 149856), (2192, 131124), (2352, 122204), (2676, 107408), (2877, 99904), (3122, 92064), (3136, 91653), (3288, 87416), (3568, 80556), (3836, 74928), (4384, 65562), (4683, 61376), (4704, 61102), (5352, 53704), (5754, 49952), (6244, 46032), (6576, 43708), (6713, 42816), (7136, 40278), (7672, 37464), (8768, 32781), (9366, 30688), (9408, 30551), (10704, 26852), (10927, 26304), (11508, 24976), (12488, 23016), (13152, 21854), (13426, 21408), (14272, 20139), (15344, 18732)]