256721003762

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{133569721}}^1$

素因数の和:133569785

約数の個数: 12

約数和(自身を含む): 397904201838

約数和(自身を除く): 141183198076

約数列:

[1, 2, 31, 62, 961, 1922, 133569721, 267139442, 4140661351, 8281322702, 128360501881, 256721003762]

約数ペア:

[(1, 256721003762), (2, 128360501881), (31, 8281322702), (62, 4140661351), (961, 267139442), (1922, 133569721)]