398946688

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 958832640

約数和(自身を除く): 559885952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 53, 56, 62, 64, 106, 112, 124, 128, 212, 217, 224, 248, 271, 371, 424, 434, 448, 496, 542, 742, 848, 868, 896, 992, 1084, 1484, 1643, 1696, 1736, 1897, 1984, 2168, 2968, 3286, 3392, 3472, 3794, 3968, 4336, 5936, 6572, 6784, 6944, 7588, 8401, 8672, 11501, 11872, 13144, 13888, 14363, 15176, 16802, 17344, 23002, 23744, 26288, 27776, 28726, 30352, 33604, 34688, 46004, 47488, 52576, 57452, 58807, 60704, 67208, 92008, 100541, 105152, 114904, 117614, 121408, 134416, 184016, 201082, 210304, 229808, 235228, 242816, 268832, 368032, 402164, 445253, 459616, 470456, 537664, 736064, 804328, 890506, 919232, 940912, 1075328, 1472128, 1608656, 1781012, 1838464, 1881824, 3116771, 3217312, 3562024, 3763648, 6233542, 6434624, 7124048, 7527296, 12467084, 12869248, 14248096, 24934168, 28496192, 49868336, 56992384, 99736672, 199473344, 398946688]

約数ペア:

[(1, 398946688), (2, 199473344), (4, 99736672), (7, 56992384), (8, 49868336), (14, 28496192), (16, 24934168), (28, 14248096), (31, 12869248), (32, 12467084), (53, 7527296), (56, 7124048), (62, 6434624), (64, 6233542), (106, 3763648), (112, 3562024), (124, 3217312), (128, 3116771), (212, 1881824), (217, 1838464), (224, 1781012), (248, 1608656), (271, 1472128), (371, 1075328), (424, 940912), (434, 919232), (448, 890506), (496, 804328), (542, 736064), (742, 537664), (848, 470456), (868, 459616), (896, 445253), (992, 402164), (1084, 368032), (1484, 268832), (1643, 242816), (1696, 235228), (1736, 229808), (1897, 210304), (1984, 201082), (2168, 184016), (2968, 134416), (3286, 121408), (3392, 117614), (3472, 114904), (3794, 105152), (3968, 100541), (4336, 92008), (5936, 67208), (6572, 60704), (6784, 58807), (6944, 57452), (7588, 52576), (8401, 47488), (8672, 46004), (11501, 34688), (11872, 33604), (13144, 30352), (13888, 28726), (14363, 27776), (15176, 26288), (16802, 23744), (17344, 23002)]