13890128

素因数分解:

$2^4\times 7^3\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 40

約数和(自身を含む): 31396800

約数和(自身を除く): 17506672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2531, 2744, 5062, 5488, 10124, 17717, 20248, 35434, 40496, 70868, 124019, 141736, 248038, 283472, 496076, 868133, 992152, 1736266, 1984304, 3472532, 6945064, 13890128]

約数ペア:

[(1, 13890128), (2, 6945064), (4, 3472532), (7, 1984304), (8, 1736266), (14, 992152), (16, 868133), (28, 496076), (49, 283472), (56, 248038), (98, 141736), (112, 124019), (196, 70868), (343, 40496), (392, 35434), (686, 20248), (784, 17717), (1372, 10124), (2531, 5488), (2744, 5062)]