399639056

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{54181}}^1$

素因数の和:54650

約数の個数: 20

約数和(自身を含む): 775994604

約数和(自身を除く): 376355548

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 3688, 7376, 54181, 108362, 216724, 433448, 866896, 24977441, 49954882, 99909764, 199819528, 399639056]

約数ペア:

[(1, 399639056), (2, 199819528), (4, 99909764), (8, 49954882), (16, 24977441), (461, 866896), (922, 433448), (1844, 216724), (3688, 108362), (7376, 54181)]