664048

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^2$

素因数の和:51

約数の個数: 60

約数和(自身を含む): 1649200

約数和(自身を除く): 985152

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 343, 392, 484, 539, 616, 686, 784, 847, 968, 1078, 1232, 1372, 1694, 1936, 2156, 2744, 3388, 3773, 4312, 5488, 5929, 6776, 7546, 8624, 11858, 13552, 15092, 23716, 30184, 41503, 47432, 60368, 83006, 94864, 166012, 332024, 664048]

約数ペア:

[(1, 664048), (2, 332024), (4, 166012), (7, 94864), (8, 83006), (11, 60368), (14, 47432), (16, 41503), (22, 30184), (28, 23716), (44, 15092), (49, 13552), (56, 11858), (77, 8624), (88, 7546), (98, 6776), (112, 5929), (121, 5488), (154, 4312), (176, 3773), (196, 3388), (242, 2744), (308, 2156), (343, 1936), (392, 1694), (484, 1372), (539, 1232), (616, 1078), (686, 968), (784, 847)]