138406904

素因数分解:

$2^3\times {\mathrm{397}}^1\times {\mathrm{43579}}^1$

素因数の和:43982

約数の個数: 16

約数和(自身を含む): 260172600

約数和(自身を除く): 121765696

約数列:

[1, 2, 4, 8, 397, 794, 1588, 3176, 43579, 87158, 174316, 348632, 17300863, 34601726, 69203452, 138406904]

約数ペア:

[(1, 138406904), (2, 69203452), (4, 34601726), (8, 17300863), (397, 348632), (794, 174316), (1588, 87158), (3176, 43579)]