665387008

素因数分解:

$2^{16}\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 136

約数和(自身を含む): 1585434816

約数和(自身を除く): 920047808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 71, 88, 104, 128, 142, 143, 176, 208, 256, 284, 286, 352, 416, 512, 568, 572, 704, 781, 832, 923, 1024, 1136, 1144, 1408, 1562, 1664, 1846, 2048, 2272, 2288, 2816, 3124, 3328, 3692, 4096, 4544, 4576, 5632, 6248, 6656, 7384, 8192, 9088, 9152, 10153, 11264, 12496, 13312, 14768, 16384, 18176, 18304, 20306, 22528, 24992, 26624, 29536, 32768, 36352, 36608, 40612, 45056, 49984, 53248, 59072, 65536, 72704, 73216, 81224, 90112, 99968, 106496, 118144, 145408, 146432, 162448, 180224, 199936, 212992, 236288, 290816, 292864, 324896, 360448, 399872, 425984, 472576, 581632, 585728, 649792, 720896, 799744, 851968, 945152, 1163264, 1171456, 1299584, 1599488, 1890304, 2326528, 2342912, 2599168, 3198976, 3780608, 4653056, 4685824, 5198336, 6397952, 7561216, 9371648, 10396672, 12795904, 15122432, 20793344, 25591808, 30244864, 41586688, 51183616, 60489728, 83173376, 166346752, 332693504, 665387008]

約数ペア:

[(1, 665387008), (2, 332693504), (4, 166346752), (8, 83173376), (11, 60489728), (13, 51183616), (16, 41586688), (22, 30244864), (26, 25591808), (32, 20793344), (44, 15122432), (52, 12795904), (64, 10396672), (71, 9371648), (88, 7561216), (104, 6397952), (128, 5198336), (142, 4685824), (143, 4653056), (176, 3780608), (208, 3198976), (256, 2599168), (284, 2342912), (286, 2326528), (352, 1890304), (416, 1599488), (512, 1299584), (568, 1171456), (572, 1163264), (704, 945152), (781, 851968), (832, 799744), (923, 720896), (1024, 649792), (1136, 585728), (1144, 581632), (1408, 472576), (1562, 425984), (1664, 399872), (1846, 360448), (2048, 324896), (2272, 292864), (2288, 290816), (2816, 236288), (3124, 212992), (3328, 199936), (3692, 180224), (4096, 162448), (4544, 146432), (4576, 145408), (5632, 118144), (6248, 106496), (6656, 99968), (7384, 90112), (8192, 81224), (9088, 73216), (9152, 72704), (10153, 65536), (11264, 59072), (12496, 53248), (13312, 49984), (14768, 45056), (16384, 40612), (18176, 36608), (18304, 36352), (20306, 32768), (22528, 29536), (24992, 26624)]