258506752

素因数分解:

$2^{15}\times 7^3\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 128

約数和(自身を含む): 629136000

約数和(自身を除く): 370629248

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 322, 343, 368, 392, 448, 512, 644, 686, 736, 784, 896, 1024, 1127, 1288, 1372, 1472, 1568, 1792, 2048, 2254, 2576, 2744, 2944, 3136, 3584, 4096, 4508, 5152, 5488, 5888, 6272, 7168, 7889, 8192, 9016, 10304, 10976, 11776, 12544, 14336, 15778, 16384, 18032, 20608, 21952, 23552, 25088, 28672, 31556, 32768, 36064, 41216, 43904, 47104, 50176, 57344, 63112, 72128, 82432, 87808, 94208, 100352, 114688, 126224, 144256, 164864, 175616, 188416, 200704, 229376, 252448, 288512, 329728, 351232, 376832, 401408, 504896, 577024, 659456, 702464, 753664, 802816, 1009792, 1154048, 1318912, 1404928, 1605632, 2019584, 2308096, 2637824, 2809856, 4039168, 4616192, 5275648, 5619712, 8078336, 9232384, 11239424, 16156672, 18464768, 32313344, 36929536, 64626688, 129253376, 258506752]

約数ペア:

[(1, 258506752), (2, 129253376), (4, 64626688), (7, 36929536), (8, 32313344), (14, 18464768), (16, 16156672), (23, 11239424), (28, 9232384), (32, 8078336), (46, 5619712), (49, 5275648), (56, 4616192), (64, 4039168), (92, 2809856), (98, 2637824), (112, 2308096), (128, 2019584), (161, 1605632), (184, 1404928), (196, 1318912), (224, 1154048), (256, 1009792), (322, 802816), (343, 753664), (368, 702464), (392, 659456), (448, 577024), (512, 504896), (644, 401408), (686, 376832), (736, 351232), (784, 329728), (896, 288512), (1024, 252448), (1127, 229376), (1288, 200704), (1372, 188416), (1472, 175616), (1568, 164864), (1792, 144256), (2048, 126224), (2254, 114688), (2576, 100352), (2744, 94208), (2944, 87808), (3136, 82432), (3584, 72128), (4096, 63112), (4508, 57344), (5152, 50176), (5488, 47104), (5888, 43904), (6272, 41216), (7168, 36064), (7889, 32768), (8192, 31556), (9016, 28672), (10304, 25088), (10976, 23552), (11776, 21952), (12544, 20608), (14336, 18032), (15778, 16384)]