251411054

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{130807}}^1$

素因数の和:130871

約数の個数: 12

約数和(自身を含む): 389677032

約数和(自身を除く): 138265978

約数列:

[1, 2, 31, 62, 961, 1922, 130807, 261614, 4055017, 8110034, 125705527, 251411054]

約数ペア:

[(1, 251411054), (2, 125705527), (31, 8110034), (62, 4055017), (961, 261614), (1922, 130807)]