639799488

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:551

約数の個数: 168

約数和(自身を含む): 1957108608

約数和(自身を除く): 1317309120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 136, 144, 153, 192, 204, 223, 272, 288, 293, 306, 408, 446, 544, 576, 586, 612, 669, 816, 879, 892, 1088, 1172, 1224, 1338, 1632, 1758, 1784, 2007, 2344, 2448, 2637, 2676, 3264, 3516, 3568, 3791, 4014, 4688, 4896, 4981, 5274, 5352, 7032, 7136, 7582, 8028, 9376, 9792, 9962, 10548, 10704, 11373, 14064, 14272, 14943, 15164, 16056, 18752, 19924, 21096, 21408, 22746, 28128, 29886, 30328, 32112, 34119, 39848, 42192, 42816, 44829, 45492, 56256, 59772, 60656, 64224, 65339, 68238, 79696, 84384, 89658, 90984, 119544, 121312, 128448, 130678, 136476, 159392, 168768, 179316, 181968, 196017, 239088, 242624, 261356, 272952, 318784, 358632, 363936, 392034, 478176, 522712, 545904, 588051, 717264, 727872, 784068, 956352, 1045424, 1091808, 1110763, 1176102, 1434528, 1568136, 2090848, 2183616, 2221526, 2352204, 2869056, 3136272, 3332289, 4181696, 4443052, 4704408, 6272544, 6664578, 8886104, 9408816, 9996867, 12545088, 13329156, 17772208, 18817632, 19993734, 26658312, 35544416, 37635264, 39987468, 53316624, 71088832, 79974936, 106633248, 159949872, 213266496, 319899744, 639799488]

約数ペア:

[(1, 639799488), (2, 319899744), (3, 213266496), (4, 159949872), (6, 106633248), (8, 79974936), (9, 71088832), (12, 53316624), (16, 39987468), (17, 37635264), (18, 35544416), (24, 26658312), (32, 19993734), (34, 18817632), (36, 17772208), (48, 13329156), (51, 12545088), (64, 9996867), (68, 9408816), (72, 8886104), (96, 6664578), (102, 6272544), (136, 4704408), (144, 4443052), (153, 4181696), (192, 3332289), (204, 3136272), (223, 2869056), (272, 2352204), (288, 2221526), (293, 2183616), (306, 2090848), (408, 1568136), (446, 1434528), (544, 1176102), (576, 1110763), (586, 1091808), (612, 1045424), (669, 956352), (816, 784068), (879, 727872), (892, 717264), (1088, 588051), (1172, 545904), (1224, 522712), (1338, 478176), (1632, 392034), (1758, 363936), (1784, 358632), (2007, 318784), (2344, 272952), (2448, 261356), (2637, 242624), (2676, 239088), (3264, 196017), (3516, 181968), (3568, 179316), (3791, 168768), (4014, 159392), (4688, 136476), (4896, 130678), (4981, 128448), (5274, 121312), (5352, 119544), (7032, 90984), (7136, 89658), (7582, 84384), (8028, 79696), (9376, 68238), (9792, 65339), (9962, 64224), (10548, 60656), (10704, 59772), (11373, 56256), (14064, 45492), (14272, 44829), (14943, 42816), (15164, 42192), (16056, 39848), (18752, 34119), (19924, 32112), (21096, 30328), (21408, 29886), (22746, 28128)]