28657152

素因数分解:

$2^9\times 3^4\times {\mathrm{691}}^1$

素因数の和:721

約数の個数: 100

約数和(自身を含む): 85657836

約数和(自身を除く): 57000684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 512, 576, 648, 691, 768, 864, 1152, 1296, 1382, 1536, 1728, 2073, 2304, 2592, 2764, 3456, 4146, 4608, 5184, 5528, 6219, 6912, 8292, 10368, 11056, 12438, 13824, 16584, 18657, 20736, 22112, 24876, 33168, 37314, 41472, 44224, 49752, 55971, 66336, 74628, 88448, 99504, 111942, 132672, 149256, 176896, 199008, 223884, 265344, 298512, 353792, 398016, 447768, 530688, 597024, 796032, 895536, 1061376, 1194048, 1592064, 1791072, 2388096, 3184128, 3582144, 4776192, 7164288, 9552384, 14328576, 28657152]

約数ペア:

[(1, 28657152), (2, 14328576), (3, 9552384), (4, 7164288), (6, 4776192), (8, 3582144), (9, 3184128), (12, 2388096), (16, 1791072), (18, 1592064), (24, 1194048), (27, 1061376), (32, 895536), (36, 796032), (48, 597024), (54, 530688), (64, 447768), (72, 398016), (81, 353792), (96, 298512), (108, 265344), (128, 223884), (144, 199008), (162, 176896), (192, 149256), (216, 132672), (256, 111942), (288, 99504), (324, 88448), (384, 74628), (432, 66336), (512, 55971), (576, 49752), (648, 44224), (691, 41472), (768, 37314), (864, 33168), (1152, 24876), (1296, 22112), (1382, 20736), (1536, 18657), (1728, 16584), (2073, 13824), (2304, 12438), (2592, 11056), (2764, 10368), (3456, 8292), (4146, 6912), (4608, 6219), (5184, 5528)]