28756818176

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 60436992000

約数和(自身を除く): 31680173824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 139, 199, 248, 256, 262, 278, 398, 496, 524, 556, 796, 992, 1048, 1112, 1592, 1984, 2096, 2224, 3184, 3968, 4061, 4192, 4309, 4448, 6169, 6368, 7936, 8122, 8384, 8618, 8896, 12338, 12736, 16244, 16768, 17236, 17792, 18209, 24676, 25472, 26069, 27661, 32488, 33536, 34472, 35584, 36418, 49352, 50944, 52138, 55322, 64976, 68944, 72836, 98704, 104276, 110644, 129952, 137888, 145672, 197408, 208552, 221288, 259904, 275776, 291344, 394816, 417104, 442576, 519808, 551552, 564479, 582688, 789632, 808139, 834208, 857491, 885152, 1039616, 1103104, 1128958, 1165376, 1579264, 1616278, 1668416, 1714982, 1770304, 2257916, 2330752, 3232556, 3336832, 3429964, 3540608, 3623591, 4515832, 4661504, 6465112, 6673664, 6859928, 7081216, 7247182, 9031664, 12930224, 13719856, 14494364, 18063328, 25860448, 27439712, 28988728, 36126656, 51720896, 54879424, 57977456, 72253312, 103441792, 109758848, 112331321, 115954912, 144506624, 206883584, 219517696, 224662642, 231909824, 449325284, 463819648, 898650568, 927639296, 1797301136, 3594602272, 7189204544, 14378409088, 28756818176]

約数ペア:

[(1, 28756818176), (2, 14378409088), (4, 7189204544), (8, 3594602272), (16, 1797301136), (31, 927639296), (32, 898650568), (62, 463819648), (64, 449325284), (124, 231909824), (128, 224662642), (131, 219517696), (139, 206883584), (199, 144506624), (248, 115954912), (256, 112331321), (262, 109758848), (278, 103441792), (398, 72253312), (496, 57977456), (524, 54879424), (556, 51720896), (796, 36126656), (992, 28988728), (1048, 27439712), (1112, 25860448), (1592, 18063328), (1984, 14494364), (2096, 13719856), (2224, 12930224), (3184, 9031664), (3968, 7247182), (4061, 7081216), (4192, 6859928), (4309, 6673664), (4448, 6465112), (6169, 4661504), (6368, 4515832), (7936, 3623591), (8122, 3540608), (8384, 3429964), (8618, 3336832), (8896, 3232556), (12338, 2330752), (12736, 2257916), (16244, 1770304), (16768, 1714982), (17236, 1668416), (17792, 1616278), (18209, 1579264), (24676, 1165376), (25472, 1128958), (26069, 1103104), (27661, 1039616), (32488, 885152), (33536, 857491), (34472, 834208), (35584, 808139), (36418, 789632), (49352, 582688), (50944, 564479), (52138, 551552), (55322, 519808), (64976, 442576), (68944, 417104), (72836, 394816), (98704, 291344), (104276, 275776), (110644, 259904), (129952, 221288), (137888, 208552), (145672, 197408)]