287450128

素因数分解:

$2^4\times 7^1\times {\mathrm{2566519}}^1$

素因数の和:2566534

約数の個数: 20

約数和(自身を含む): 636496960

約数和(自身を除く): 349046832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2566519, 5133038, 10266076, 17965633, 20532152, 35931266, 41064304, 71862532, 143725064, 287450128]

約数ペア:

[(1, 287450128), (2, 143725064), (4, 71862532), (7, 41064304), (8, 35931266), (14, 20532152), (16, 17965633), (28, 10266076), (56, 5133038), (112, 2566519)]