257421696

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{13681}}^1$

素因数の和:13712

約数の個数: 96

約数和(自身を含む): 795471480

約数和(自身を除く): 538049784

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, 294, 336, 384, 392, 448, 588, 672, 784, 896, 1176, 1344, 1568, 2352, 2688, 3136, 4704, 6272, 9408, 13681, 18816, 27362, 41043, 54724, 82086, 95767, 109448, 164172, 191534, 218896, 287301, 328344, 383068, 437792, 574602, 656688, 670369, 766136, 875584, 1149204, 1313376, 1340738, 1532272, 1751168, 2011107, 2298408, 2626752, 2681476, 3064544, 4022214, 4596816, 5253504, 5362952, 6129088, 8044428, 9193632, 10725904, 12258176, 16088856, 18387264, 21451808, 32177712, 36774528, 42903616, 64355424, 85807232, 128710848, 257421696]

約数ペア:

[(1, 257421696), (2, 128710848), (3, 85807232), (4, 64355424), (6, 42903616), (7, 36774528), (8, 32177712), (12, 21451808), (14, 18387264), (16, 16088856), (21, 12258176), (24, 10725904), (28, 9193632), (32, 8044428), (42, 6129088), (48, 5362952), (49, 5253504), (56, 4596816), (64, 4022214), (84, 3064544), (96, 2681476), (98, 2626752), (112, 2298408), (128, 2011107), (147, 1751168), (168, 1532272), (192, 1340738), (196, 1313376), (224, 1149204), (294, 875584), (336, 766136), (384, 670369), (392, 656688), (448, 574602), (588, 437792), (672, 383068), (784, 328344), (896, 287301), (1176, 218896), (1344, 191534), (1568, 164172), (2352, 109448), (2688, 95767), (3136, 82086), (4704, 54724), (6272, 41043), (9408, 27362), (13681, 18816)]