248761856

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2295

約数の個数: 80

約数和(自身を含む): 586629120

約数和(自身を除く): 337867264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 2239, 3472, 3584, 3968, 4478, 6944, 7936, 8956, 13888, 15673, 15872, 17912, 27776, 31346, 35824, 55552, 62692, 69409, 71648, 111104, 125384, 138818, 143296, 250768, 277636, 286592, 485863, 501536, 555272, 573184, 971726, 1003072, 1110544, 1146368, 1943452, 2006144, 2221088, 3886904, 4012288, 4442176, 7773808, 8024576, 8884352, 15547616, 17768704, 31095232, 35537408, 62190464, 124380928, 248761856]

約数ペア:

[(1, 248761856), (2, 124380928), (4, 62190464), (7, 35537408), (8, 31095232), (14, 17768704), (16, 15547616), (28, 8884352), (31, 8024576), (32, 7773808), (56, 4442176), (62, 4012288), (64, 3886904), (112, 2221088), (124, 2006144), (128, 1943452), (217, 1146368), (224, 1110544), (248, 1003072), (256, 971726), (434, 573184), (448, 555272), (496, 501536), (512, 485863), (868, 286592), (896, 277636), (992, 250768), (1736, 143296), (1792, 138818), (1984, 125384), (2239, 111104), (3472, 71648), (3584, 69409), (3968, 62692), (4478, 55552), (6944, 35824), (7936, 31346), (8956, 27776), (13888, 17912), (15673, 15872)]