81271484

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{39761}}^1$

素因数の和:39845

約数の個数: 24

約数和(自身を含む): 164773728

約数和(自身を除く): 83502244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 39761, 79522, 159044, 278327, 556654, 1113308, 2902553, 5805106, 11610212, 20317871, 40635742, 81271484]

約数ペア:

[(1, 81271484), (2, 40635742), (4, 20317871), (7, 11610212), (14, 5805106), (28, 2902553), (73, 1113308), (146, 556654), (292, 278327), (511, 159044), (1022, 79522), (2044, 39761)]