128463888

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 389418528

約数和(自身を除く): 260954640

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 193, 196, 283, 294, 336, 386, 392, 566, 579, 588, 772, 784, 849, 1132, 1158, 1176, 1351, 1544, 1698, 1981, 2264, 2316, 2352, 2702, 3088, 3396, 3962, 4053, 4528, 4632, 5404, 5943, 6792, 7924, 8106, 9264, 9457, 10808, 11886, 13584, 13867, 15848, 16212, 18914, 21616, 23772, 27734, 28371, 31696, 32424, 37828, 41601, 47544, 54619, 55468, 56742, 64848, 75656, 83202, 95088, 109238, 110936, 113484, 151312, 163857, 166404, 218476, 221872, 226968, 327714, 332808, 382333, 436952, 453936, 655428, 665616, 764666, 873904, 1146999, 1310856, 1529332, 2293998, 2621712, 2676331, 3058664, 4587996, 5352662, 6117328, 8028993, 9175992, 10705324, 16057986, 18351984, 21410648, 32115972, 42821296, 64231944, 128463888]

約数ペア:

[(1, 128463888), (2, 64231944), (3, 42821296), (4, 32115972), (6, 21410648), (7, 18351984), (8, 16057986), (12, 10705324), (14, 9175992), (16, 8028993), (21, 6117328), (24, 5352662), (28, 4587996), (42, 3058664), (48, 2676331), (49, 2621712), (56, 2293998), (84, 1529332), (98, 1310856), (112, 1146999), (147, 873904), (168, 764666), (193, 665616), (196, 655428), (283, 453936), (294, 436952), (336, 382333), (386, 332808), (392, 327714), (566, 226968), (579, 221872), (588, 218476), (772, 166404), (784, 163857), (849, 151312), (1132, 113484), (1158, 110936), (1176, 109238), (1351, 95088), (1544, 83202), (1698, 75656), (1981, 64848), (2264, 56742), (2316, 55468), (2352, 54619), (2702, 47544), (3088, 41601), (3396, 37828), (3962, 32424), (4053, 31696), (4528, 28371), (4632, 27734), (5404, 23772), (5943, 21616), (6792, 18914), (7924, 16212), (8106, 15848), (9264, 13867), (9457, 13584), (10808, 11886)]