648821152

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{9623}}^1$

素因数の和:9690

約数の個数: 72

約数和(自身を含む): 1520630496

約数和(自身を除く): 871809344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 602, 688, 784, 1204, 1376, 1568, 2107, 2408, 4214, 4816, 8428, 9623, 9632, 16856, 19246, 33712, 38492, 67361, 67424, 76984, 134722, 153968, 269444, 307936, 413789, 471527, 538888, 827578, 943054, 1077776, 1655156, 1886108, 2155552, 2896523, 3310312, 3772216, 5793046, 6620624, 7544432, 11586092, 13241248, 15088864, 20275661, 23172184, 40551322, 46344368, 81102644, 92688736, 162205288, 324410576, 648821152]

約数ペア:

[(1, 648821152), (2, 324410576), (4, 162205288), (7, 92688736), (8, 81102644), (14, 46344368), (16, 40551322), (28, 23172184), (32, 20275661), (43, 15088864), (49, 13241248), (56, 11586092), (86, 7544432), (98, 6620624), (112, 5793046), (172, 3772216), (196, 3310312), (224, 2896523), (301, 2155552), (344, 1886108), (392, 1655156), (602, 1077776), (688, 943054), (784, 827578), (1204, 538888), (1376, 471527), (1568, 413789), (2107, 307936), (2408, 269444), (4214, 153968), (4816, 134722), (8428, 76984), (9623, 67424), (9632, 67361), (16856, 38492), (19246, 33712)]