641399808

素因数分解:

$2^{10}\times 3^1\times 7^2\times {\mathrm{4261}}^1$

素因数の和:4298

約数の個数: 132

約数和(自身を含む): 1989143592

約数和(自身を除く): 1347743784

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, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 512, 588, 672, 768, 784, 896, 1024, 1176, 1344, 1536, 1568, 1792, 2352, 2688, 3072, 3136, 3584, 4261, 4704, 5376, 6272, 7168, 8522, 9408, 10752, 12544, 12783, 17044, 18816, 21504, 25088, 25566, 29827, 34088, 37632, 50176, 51132, 59654, 68176, 75264, 89481, 102264, 119308, 136352, 150528, 178962, 204528, 208789, 238616, 272704, 357924, 409056, 417578, 477232, 545408, 626367, 715848, 818112, 835156, 954464, 1090816, 1252734, 1431696, 1636224, 1670312, 1908928, 2181632, 2505468, 2863392, 3272448, 3340624, 3817856, 4363264, 5010936, 5726784, 6544896, 6681248, 7635712, 10021872, 11453568, 13089792, 13362496, 15271424, 20043744, 22907136, 26724992, 30542848, 40087488, 45814272, 53449984, 80174976, 91628544, 106899968, 160349952, 213799936, 320699904, 641399808]

約数ペア:

[(1, 641399808), (2, 320699904), (3, 213799936), (4, 160349952), (6, 106899968), (7, 91628544), (8, 80174976), (12, 53449984), (14, 45814272), (16, 40087488), (21, 30542848), (24, 26724992), (28, 22907136), (32, 20043744), (42, 15271424), (48, 13362496), (49, 13089792), (56, 11453568), (64, 10021872), (84, 7635712), (96, 6681248), (98, 6544896), (112, 5726784), (128, 5010936), (147, 4363264), (168, 3817856), (192, 3340624), (196, 3272448), (224, 2863392), (256, 2505468), (294, 2181632), (336, 1908928), (384, 1670312), (392, 1636224), (448, 1431696), (512, 1252734), (588, 1090816), (672, 954464), (768, 835156), (784, 818112), (896, 715848), (1024, 626367), (1176, 545408), (1344, 477232), (1536, 417578), (1568, 409056), (1792, 357924), (2352, 272704), (2688, 238616), (3072, 208789), (3136, 204528), (3584, 178962), (4261, 150528), (4704, 136352), (5376, 119308), (6272, 102264), (7168, 89481), (8522, 75264), (9408, 68176), (10752, 59654), (12544, 51132), (12783, 50176), (17044, 37632), (18816, 34088), (21504, 29827), (25088, 25566)]