254997568

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 168

約数和(自身を含む): 631935744

約数和(自身を除く): 376938176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 43, 49, 56, 61, 62, 64, 86, 98, 112, 122, 124, 172, 196, 217, 224, 244, 248, 301, 344, 392, 427, 434, 448, 488, 496, 602, 688, 784, 854, 868, 976, 992, 1204, 1333, 1376, 1519, 1568, 1708, 1736, 1891, 1952, 1984, 2107, 2408, 2623, 2666, 2752, 2989, 3038, 3136, 3416, 3472, 3782, 3904, 4214, 4816, 5246, 5332, 5978, 6076, 6832, 6944, 7564, 8428, 9331, 9632, 10492, 10664, 11956, 12152, 13237, 13664, 13888, 15128, 16856, 18361, 18662, 19264, 20984, 21328, 23912, 24304, 26474, 27328, 30256, 33712, 36722, 37324, 41968, 42656, 47824, 48608, 52948, 60512, 65317, 67424, 73444, 74648, 81313, 83936, 85312, 92659, 95648, 97216, 105896, 121024, 128527, 130634, 134848, 146888, 149296, 162626, 167872, 185318, 191296, 211792, 257054, 261268, 293776, 298592, 325252, 370636, 423584, 514108, 522536, 569191, 587552, 597184, 650504, 741272, 847168, 1028216, 1045072, 1138382, 1175104, 1301008, 1482544, 2056432, 2090144, 2276764, 2602016, 2965088, 3984337, 4112864, 4180288, 4553528, 5204032, 5930176, 7968674, 8225728, 9107056, 15937348, 18214112, 31874696, 36428224, 63749392, 127498784, 254997568]

約数ペア:

[(1, 254997568), (2, 127498784), (4, 63749392), (7, 36428224), (8, 31874696), (14, 18214112), (16, 15937348), (28, 9107056), (31, 8225728), (32, 7968674), (43, 5930176), (49, 5204032), (56, 4553528), (61, 4180288), (62, 4112864), (64, 3984337), (86, 2965088), (98, 2602016), (112, 2276764), (122, 2090144), (124, 2056432), (172, 1482544), (196, 1301008), (217, 1175104), (224, 1138382), (244, 1045072), (248, 1028216), (301, 847168), (344, 741272), (392, 650504), (427, 597184), (434, 587552), (448, 569191), (488, 522536), (496, 514108), (602, 423584), (688, 370636), (784, 325252), (854, 298592), (868, 293776), (976, 261268), (992, 257054), (1204, 211792), (1333, 191296), (1376, 185318), (1519, 167872), (1568, 162626), (1708, 149296), (1736, 146888), (1891, 134848), (1952, 130634), (1984, 128527), (2107, 121024), (2408, 105896), (2623, 97216), (2666, 95648), (2752, 92659), (2989, 85312), (3038, 83936), (3136, 81313), (3416, 74648), (3472, 73444), (3782, 67424), (3904, 65317), (4214, 60512), (4816, 52948), (5246, 48608), (5332, 47824), (5978, 42656), (6076, 41968), (6832, 37324), (6944, 36722), (7564, 33712), (8428, 30256), (9331, 27328), (9632, 26474), (10492, 24304), (10664, 23912), (11956, 21328), (12152, 20984), (13237, 19264), (13664, 18662), (13888, 18361), (15128, 16856)]