721711984

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{15091}}^1$

素因数の和:15174

約数の個数: 60

約数和(自身を含む): 1653388968

約数和(自身を除く): 931676984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 488, 784, 854, 976, 1708, 2989, 3416, 5978, 6832, 11956, 15091, 23912, 30182, 47824, 60364, 105637, 120728, 211274, 241456, 422548, 739459, 845096, 920551, 1478918, 1690192, 1841102, 2957836, 3682204, 5915672, 6443857, 7364408, 11831344, 12887714, 14728816, 25775428, 45106999, 51550856, 90213998, 103101712, 180427996, 360855992, 721711984]

約数ペア:

[(1, 721711984), (2, 360855992), (4, 180427996), (7, 103101712), (8, 90213998), (14, 51550856), (16, 45106999), (28, 25775428), (49, 14728816), (56, 12887714), (61, 11831344), (98, 7364408), (112, 6443857), (122, 5915672), (196, 3682204), (244, 2957836), (392, 1841102), (427, 1690192), (488, 1478918), (784, 920551), (854, 845096), (976, 739459), (1708, 422548), (2989, 241456), (3416, 211274), (5978, 120728), (6832, 105637), (11956, 60364), (15091, 47824), (23912, 30182)]