664891968

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 168

約数和(自身を含む): 1969349376

約数和(自身を除く): 1304457408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 169, 186, 192, 208, 248, 312, 338, 372, 403, 416, 496, 507, 624, 661, 676, 744, 806, 832, 992, 1014, 1209, 1248, 1322, 1352, 1488, 1612, 1983, 1984, 2028, 2418, 2496, 2644, 2704, 2976, 3224, 3966, 4056, 4836, 5239, 5288, 5408, 5952, 6448, 7932, 8112, 8593, 9672, 10478, 10576, 10816, 12896, 15717, 15864, 16224, 17186, 19344, 20491, 20956, 21152, 25779, 25792, 31434, 31728, 32448, 34372, 38688, 40982, 41912, 42304, 51558, 61473, 62868, 63456, 68744, 77376, 81964, 83824, 103116, 111709, 122946, 125736, 126912, 137488, 163928, 167648, 206232, 223418, 245892, 251472, 266383, 274976, 327856, 335127, 335296, 412464, 446836, 491784, 502944, 532766, 549952, 655712, 670254, 799149, 824928, 893672, 983568, 1005888, 1065532, 1311424, 1340508, 1598298, 1649856, 1787344, 1967136, 2131064, 2681016, 3196596, 3462979, 3574688, 3934272, 4262128, 5362032, 6393192, 6925958, 7149376, 8524256, 10388937, 10724064, 12786384, 13851916, 17048512, 20777874, 21448128, 25572768, 27703832, 41555748, 51145536, 55407664, 83111496, 110815328, 166222992, 221630656, 332445984, 664891968]

約数ペア:

[(1, 664891968), (2, 332445984), (3, 221630656), (4, 166222992), (6, 110815328), (8, 83111496), (12, 55407664), (13, 51145536), (16, 41555748), (24, 27703832), (26, 25572768), (31, 21448128), (32, 20777874), (39, 17048512), (48, 13851916), (52, 12786384), (62, 10724064), (64, 10388937), (78, 8524256), (93, 7149376), (96, 6925958), (104, 6393192), (124, 5362032), (156, 4262128), (169, 3934272), (186, 3574688), (192, 3462979), (208, 3196596), (248, 2681016), (312, 2131064), (338, 1967136), (372, 1787344), (403, 1649856), (416, 1598298), (496, 1340508), (507, 1311424), (624, 1065532), (661, 1005888), (676, 983568), (744, 893672), (806, 824928), (832, 799149), (992, 670254), (1014, 655712), (1209, 549952), (1248, 532766), (1322, 502944), (1352, 491784), (1488, 446836), (1612, 412464), (1983, 335296), (1984, 335127), (2028, 327856), (2418, 274976), (2496, 266383), (2644, 251472), (2704, 245892), (2976, 223418), (3224, 206232), (3966, 167648), (4056, 163928), (4836, 137488), (5239, 126912), (5288, 125736), (5408, 122946), (5952, 111709), (6448, 103116), (7932, 83824), (8112, 81964), (8593, 77376), (9672, 68744), (10478, 63456), (10576, 62868), (10816, 61473), (12896, 51558), (15717, 42304), (15864, 41912), (16224, 40982), (17186, 38688), (19344, 34372), (20491, 32448), (20956, 31728), (21152, 31434), (25779, 25792)]