287251328

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 723494160

約数和(自身を除く): 436242832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 169, 182, 196, 208, 224, 271, 338, 364, 392, 416, 448, 542, 637, 676, 728, 784, 832, 896, 1084, 1183, 1274, 1352, 1456, 1568, 1664, 1897, 2168, 2366, 2548, 2704, 2912, 3136, 3523, 3794, 4336, 4732, 5096, 5408, 5824, 6272, 7046, 7588, 8281, 8672, 9464, 10192, 10816, 11648, 13279, 14092, 15176, 16562, 17344, 18928, 20384, 21632, 24661, 26558, 28184, 30352, 33124, 34688, 37856, 40768, 45799, 49322, 53116, 56368, 60704, 66248, 75712, 81536, 91598, 98644, 106232, 112736, 121408, 132496, 151424, 172627, 183196, 197288, 212464, 225472, 242816, 264992, 320593, 345254, 366392, 394576, 424928, 450944, 529984, 641186, 690508, 732784, 789152, 849856, 1059968, 1282372, 1381016, 1465568, 1578304, 1699712, 2244151, 2564744, 2762032, 2931136, 3156608, 4488302, 5129488, 5524064, 5862272, 8976604, 10258976, 11048128, 17953208, 20517952, 22096256, 35906416, 41035904, 71812832, 143625664, 287251328]

約数ペア:

[(1, 287251328), (2, 143625664), (4, 71812832), (7, 41035904), (8, 35906416), (13, 22096256), (14, 20517952), (16, 17953208), (26, 11048128), (28, 10258976), (32, 8976604), (49, 5862272), (52, 5524064), (56, 5129488), (64, 4488302), (91, 3156608), (98, 2931136), (104, 2762032), (112, 2564744), (128, 2244151), (169, 1699712), (182, 1578304), (196, 1465568), (208, 1381016), (224, 1282372), (271, 1059968), (338, 849856), (364, 789152), (392, 732784), (416, 690508), (448, 641186), (542, 529984), (637, 450944), (676, 424928), (728, 394576), (784, 366392), (832, 345254), (896, 320593), (1084, 264992), (1183, 242816), (1274, 225472), (1352, 212464), (1456, 197288), (1568, 183196), (1664, 172627), (1897, 151424), (2168, 132496), (2366, 121408), (2548, 112736), (2704, 106232), (2912, 98644), (3136, 91598), (3523, 81536), (3794, 75712), (4336, 66248), (4732, 60704), (5096, 56368), (5408, 53116), (5824, 49322), (6272, 45799), (7046, 40768), (7588, 37856), (8281, 34688), (8672, 33124), (9464, 30352), (10192, 28184), (10816, 26558), (11648, 24661), (13279, 21632), (14092, 20384), (15176, 18928), (16562, 17344)]