639509696

素因数分解:

$2^6\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13859}}^1$

素因数の和:13981

約数の個数: 56

約数和(自身を含む): 1464503040

約数和(自身を除く): 824993344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 206, 224, 412, 448, 721, 824, 1442, 1648, 2884, 3296, 5768, 6592, 11536, 13859, 23072, 27718, 46144, 55436, 97013, 110872, 194026, 221744, 388052, 443488, 776104, 886976, 1427477, 1552208, 2854954, 3104416, 5709908, 6208832, 9992339, 11419816, 19984678, 22839632, 39969356, 45679264, 79938712, 91358528, 159877424, 319754848, 639509696]

約数ペア:

[(1, 639509696), (2, 319754848), (4, 159877424), (7, 91358528), (8, 79938712), (14, 45679264), (16, 39969356), (28, 22839632), (32, 19984678), (56, 11419816), (64, 9992339), (103, 6208832), (112, 5709908), (206, 3104416), (224, 2854954), (412, 1552208), (448, 1427477), (721, 886976), (824, 776104), (1442, 443488), (1648, 388052), (2884, 221744), (3296, 194026), (5768, 110872), (6592, 97013), (11536, 55436), (13859, 46144), (23072, 27718)]