4057984

素因数分解:

$2^7\times 7^2\times {\mathrm{647}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 9418680

約数和(自身を除く): 5360696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 647, 784, 896, 1294, 1568, 2588, 3136, 4529, 5176, 6272, 9058, 10352, 18116, 20704, 31703, 36232, 41408, 63406, 72464, 82816, 126812, 144928, 253624, 289856, 507248, 579712, 1014496, 2028992, 4057984]

約数ペア:

[(1, 4057984), (2, 2028992), (4, 1014496), (7, 579712), (8, 507248), (14, 289856), (16, 253624), (28, 144928), (32, 126812), (49, 82816), (56, 72464), (64, 63406), (98, 41408), (112, 36232), (128, 31703), (196, 20704), (224, 18116), (392, 10352), (448, 9058), (647, 6272), (784, 5176), (896, 4529), (1294, 3136), (1568, 2588)]