289759232

素因数分解:

$2^{13}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 112

約数和(自身を含む): 687823872

約数和(自身を除く): 398064640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 163, 217, 224, 248, 256, 326, 434, 448, 496, 512, 652, 868, 896, 992, 1024, 1141, 1304, 1736, 1792, 1984, 2048, 2282, 2608, 3472, 3584, 3968, 4096, 4564, 5053, 5216, 6944, 7168, 7936, 8192, 9128, 10106, 10432, 13888, 14336, 15872, 18256, 20212, 20864, 27776, 28672, 31744, 35371, 36512, 40424, 41728, 55552, 57344, 63488, 70742, 73024, 80848, 83456, 111104, 126976, 141484, 146048, 161696, 166912, 222208, 253952, 282968, 292096, 323392, 333824, 444416, 565936, 584192, 646784, 667648, 888832, 1131872, 1168384, 1293568, 1335296, 1777664, 2263744, 2336768, 2587136, 4527488, 4673536, 5174272, 9054976, 9347072, 10348544, 18109952, 20697088, 36219904, 41394176, 72439808, 144879616, 289759232]

約数ペア:

[(1, 289759232), (2, 144879616), (4, 72439808), (7, 41394176), (8, 36219904), (14, 20697088), (16, 18109952), (28, 10348544), (31, 9347072), (32, 9054976), (56, 5174272), (62, 4673536), (64, 4527488), (112, 2587136), (124, 2336768), (128, 2263744), (163, 1777664), (217, 1335296), (224, 1293568), (248, 1168384), (256, 1131872), (326, 888832), (434, 667648), (448, 646784), (496, 584192), (512, 565936), (652, 444416), (868, 333824), (896, 323392), (992, 292096), (1024, 282968), (1141, 253952), (1304, 222208), (1736, 166912), (1792, 161696), (1984, 146048), (2048, 141484), (2282, 126976), (2608, 111104), (3472, 83456), (3584, 80848), (3968, 73024), (4096, 70742), (4564, 63488), (5053, 57344), (5216, 55552), (6944, 41728), (7168, 40424), (7936, 36512), (8192, 35371), (9128, 31744), (10106, 28672), (10432, 27776), (13888, 20864), (14336, 20212), (15872, 18256)]